38055987 has 16 divisors (see below), whose sum is σ = 57078560. Its totient is φ = 25369200.

The previous prime is 38055977. The next prime is 38055991. The reversal of 38055987 is 78955083.

It is not a de Polignac number, because 38055987 - 2⁴ = 38055971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38055977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6514 + ... + 10887.

It is an arithmetic number, because the mean of its divisors is an integer number (3567410).

Almost surely, 2^38055987 is an apocalyptic number.

38055987 is a deficient number, since it is larger than the sum of its proper divisors (19022573).

38055987 is an frugal number, since it uses more digits than its factorization.

38055987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17422 (or 17404 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 38055987 is about 6168.9534768873. The cubic root of 38055987 is about 336.3625709885.

The spelling of 38055987 in words is "thirty-eight million, fifty-five thousand, nine hundred eighty-seven".