39429902 has 32 divisors (see below), whose sum is σ = 66977280. Its totient is φ = 17297280.

The previous prime is 39429899. The next prime is 39429911. The reversal of 39429902 is 20992493.

39429902 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 (38).

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 15 ways as a sum of consecutive naturals, for example, 42827 + ... + 43737.

It is an arithmetic number, because the mean of its divisors is an integer number (2093040).

Almost surely, 2^39429902 is an apocalyptic number.

39429902 is a deficient number, since it is larger than the sum of its proper divisors (27547378).

39429902 is a wasteful number, since it uses less digits than its factorization.

39429902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 39429902 is about 6279.3233711922. The cubic root of 39429902 is about 340.3626522644.

The spelling of 39429902 in words is "thirty-nine million, four hundred twenty-nine thousand, nine hundred two".