38141988 has 12 divisors (see below), whose sum is σ = 88998000. Its totient is φ = 12713992.

The previous prime is 38141977. The next prime is 38141993. The reversal of 38141988 is 88914183.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×38141988² = 2909622497184288, which contains 22 as substring.

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, 1589238 + ... + 1589261.

It is an arithmetic number, because the mean of its divisors is an integer number (7416500).

Almost surely, 2^38141988 is an apocalyptic number.

It is an amenable number.

38141988 is an abundant number, since it is smaller than the sum of its proper divisors (50856012).

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

38141988 is a wasteful number, since it uses less digits than its factorization.

38141988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178506 (or 3178504 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 38141988 is about 6175.9200124354. The cubic root of 38141988 is about 336.6157572053.

The spelling of 38141988 in words is "thirty-eight million, one hundred forty-one thousand, nine hundred eighty-eight".