39229140 has 24 divisors (see below), whose sum is σ = 109841760. Its totient is φ = 10461088.

The previous prime is 39229111. The next prime is 39229171. The reversal of 39229140 is 4192293.

39229140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 39229098 and 39229107.

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 7 ways as a sum of consecutive naturals, for example, 326850 + ... + 326969.

It is an arithmetic number, because the mean of its divisors is an integer number (4576740).

Almost surely, 2^39229140 is an apocalyptic number.

39229140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39229140 is an abundant number, since it is smaller than the sum of its proper divisors (70612620).

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

39229140 is a wasteful number, since it uses less digits than its factorization.

39229140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653831 (or 653829 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 39229140 is about 6263.3170125741. The cubic root of 39229140 is about 339.7840035251.

The spelling of 39229140 in words is "thirty-nine million, two hundred twenty-nine thousand, one hundred forty".