39830340 has 96 divisors (see below), whose sum is σ = 125919360. Its totient is φ = 9318400.

The previous prime is 39830321. The next prime is 39830359. The reversal of 39830340 is 4303893.

It is a happy number.

39830340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39830321) and next prime (39830359).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 39830298 and 39830307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18100 + ... + 20180.

It is an arithmetic number, because the mean of its divisors is an integer number (1311660).

Almost surely, 2^39830340 is an apocalyptic number.

39830340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39830340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62959680).

39830340 is an abundant number, since it is smaller than the sum of its proper divisors (86089020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39830340 is a wasteful number, since it uses less digits than its factorization.

39830340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2131 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 39830340 is about 6311.1282667998. The cubic root of 39830340 is about 341.5109798987.

The spelling of 39830340 in words is "thirty-nine million, eight hundred thirty thousand, three hundred forty".