389498902 has 16 divisors (see below), whose sum is σ = 643824720. Its totient is φ = 175587552.

The previous prime is 389498899. The next prime is 389498903. The reversal of 389498902 is 209894983.

It is a self number, because there is not a number n which added to its sum of digits gives 389498902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389498903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173077 + ... + 175312.

It is an arithmetic number, because the mean of its divisors is an integer number (40239045).

Almost surely, 2^389498902 is an apocalyptic number.

389498902 is a deficient number, since it is larger than the sum of its proper divisors (254325818).

389498902 is a wasteful number, since it uses less digits than its factorization.

389498902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348447.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 389498902 is about 19735.7265384378. The cubic root of 389498902 is about 730.3013092816.

The spelling of 389498902 in words is "three hundred eighty-nine million, four hundred ninety-eight thousand, nine hundred two".