39444902 has 24 divisors (see below), whose sum is σ = 69809040. Its totient is φ = 16663920.

The previous prime is 39444887. The next prime is 39444907. The reversal of 39444902 is 20944493.

39444902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39444907) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4124 + ... + 9792.

It is an arithmetic number, because the mean of its divisors is an integer number (2908710).

Almost surely, 2^39444902 is an apocalyptic number.

39444902 is a deficient number, since it is larger than the sum of its proper divisors (30364138).

39444902 is a wasteful number, since it uses less digits than its factorization.

39444902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756 (or 5749 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 39444902 is about 6280.5176538244. The cubic root of 39444902 is about 340.4058072666.

The spelling of 39444902 in words is "thirty-nine million, four hundred forty-four thousand, nine hundred two".