38051818 has 32 divisors (see below), whose sum is σ = 68935680. Its totient is φ = 15407280.

The previous prime is 38051809. The next prime is 38051833. The reversal of 38051818 is 81815083.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 17643 + ... + 19681.

It is an arithmetic number, because the mean of its divisors is an integer number (2154240).

Almost surely, 2^38051818 is an apocalyptic number.

38051818 is a deficient number, since it is larger than the sum of its proper divisors (30883862).

38051818 is a wasteful number, since it uses less digits than its factorization.

38051818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122.

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 38051818 is about 6168.6155659110. The cubic root of 38051818 is about 336.3502877984.

The spelling of 38051818 in words is "thirty-eight million, fifty-one thousand, eight hundred eighteen".