38681902 has 16 divisors (see below), whose sum is σ = 70212960. Its totient is φ = 15602688.

The previous prime is 38681899. The next prime is 38681917. The reversal of 38681902 is 20918683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81027 + ... + 81502.

It is an arithmetic number, because the mean of its divisors is an integer number (4388310).

Almost surely, 2^38681902 is an apocalyptic number.

38681902 is a deficient number, since it is larger than the sum of its proper divisors (31531058).

38681902 is a wasteful number, since it uses less digits than its factorization.

38681902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162555.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 38681902 is about 6219.4776307983. The cubic root of 38681902 is about 338.1966282356.

The spelling of 38681902 in words is "thirty-eight million, six hundred eighty-one thousand, nine hundred two".