38572818 has 8 divisors (see below), whose sum is σ = 77145648. Its totient is φ = 12857604.

The previous prime is 38572789. The next prime is 38572829. The reversal of 38572818 is 81827583.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

38572818 is an admirable number.

It is a super-2 number, since 2×38572818² = 2975724576922248, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38572818.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3214396 + ... + 3214407.

It is an arithmetic number, because the mean of its divisors is an integer number (9643206).

Almost surely, 2^38572818 is an apocalyptic number.

38572818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38572818 is a wasteful number, since it uses less digits than its factorization.

38572818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428808.

The product of its digits is 107520, while the sum is 42.

The square root of 38572818 is about 6210.7018927010. The cubic root of 38572818 is about 337.8784210795.

The spelling of 38572818 in words is "thirty-eight million, five hundred seventy-two thousand, eight hundred eighteen".