39442902 has 32 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 12751680.

The previous prime is 39442901. The next prime is 39442913. The reversal of 39442902 is 20924493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39442901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54499 + ... + 55217.

It is an arithmetic number, because the mean of its divisors is an integer number (2540160).

Almost surely, 2^39442902 is an apocalyptic number.

39442902 is an abundant number, since it is smaller than the sum of its proper divisors (41842218).

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

39442902 is a wasteful number, since it uses less digits than its factorization.

39442902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 39442902 is about 6280.3584292618. The cubic root of 39442902 is about 340.4000538985.

The spelling of 39442902 in words is "thirty-nine million, four hundred forty-two thousand, nine hundred two".