39048240 has 160 divisors (see below), whose sum is σ = 150990336. Its totient is φ = 8110080.

The previous prime is 39048221. The next prime is 39048241. The reversal of 39048240 is 4284093.

It is a happy number.

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 = 39048198 and 39048207.

It is not an unprimeable number, because it can be changed into a prime (39048241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17424 + ... + 19536.

Almost surely, 2^39048240 is an apocalyptic number.

39048240 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 39048240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75495168).

39048240 is an abundant number, since it is smaller than the sum of its proper divisors (111942096).

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

39048240 is a wasteful number, since it uses less digits than its factorization.

39048240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 39048240 is about 6248.8590958670. The cubic root of 39048240 is about 339.2609089476.

The spelling of 39048240 in words is "thirty-nine million, forty-eight thousand, two hundred forty".