38164938 has 32 divisors (see below), whose sum is σ = 87422976. Its totient is φ = 10880688.

The previous prime is 38164927. The next prime is 38164943. The reversal of 38164938 is 83946183.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 38164938.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30595 + ... + 31817.

It is an arithmetic number, because the mean of its divisors is an integer number (2731968).

Almost surely, 2^38164938 is an apocalyptic number.

38164938 is an abundant number, since it is smaller than the sum of its proper divisors (49258038).

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

38164938 is a wasteful number, since it uses less digits than its factorization.

38164938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978.

The product of its digits is 124416, while the sum is 42.

The square root of 38164938 is about 6177.7777557954. Note that the first 4 decimals coincide. The cubic root of 38164938 is about 336.6832574686.

The spelling of 38164938 in words is "thirty-eight million, one hundred sixty-four thousand, nine hundred thirty-eight".