38988190 has 16 divisors (see below), whose sum is σ = 73872720. Its totient is φ = 14774400.

The previous prime is 38988181. The next prime is 38988221. The reversal of 38988190 is 9188983.

It is a super-2 number, since 2×38988190² = 3040157918952200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38988190.

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, 102411 + ... + 102790.

It is an arithmetic number, because the mean of its divisors is an integer number (4617045).

Almost surely, 2^38988190 is an apocalyptic number.

38988190 is a deficient number, since it is larger than the sum of its proper divisors (34884530).

38988190 is a wasteful number, since it uses less digits than its factorization.

38988190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205227.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 38988190 is about 6244.0523700558. The cubic root of 38988190 is about 339.0869098993.

The spelling of 38988190 in words is "thirty-eight million, nine hundred eighty-eight thousand, one hundred ninety".