39393902 has 4 divisors (see below), whose sum is σ = 59090856. Its totient is φ = 19696950.

The previous prime is 39393899. The next prime is 39393971. The reversal of 39393902 is 20939393.

39393902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 9848474 + ... + 9848477.

It is an arithmetic number, because the mean of its divisors is an integer number (14772714).

Almost surely, 2^39393902 is an apocalyptic number.

39393902 is a deficient number, since it is larger than the sum of its proper divisors (19696954).

39393902 is a wasteful number, since it uses less digits than its factorization.

39393902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19696953.

The product of its (nonzero) digits is 39366, while the sum is 38.

The square root of 39393902 is about 6276.4561657037. The cubic root of 39393902 is about 340.2590355859.

The spelling of 39393902 in words is "thirty-nine million, three hundred ninety-three thousand, nine hundred two".