38700987 has 16 divisors (see below), whose sum is σ = 55845888. Its totient is φ = 23698080.

The previous prime is 38700983. The next prime is 38700997. The reversal of 38700987 is 78900783.

It is not a de Polignac number, because 38700987 - 2² = 38700983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38700983) 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, 5878 + ... + 10580.

It is an arithmetic number, because the mean of its divisors is an integer number (3490368).

Almost surely, 2^38700987 is an apocalyptic number.

38700987 is a deficient number, since it is larger than the sum of its proper divisors (17144901).

38700987 is a wasteful number, since it uses less digits than its factorization.

38700987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 38700987 is about 6221.0117344368. The cubic root of 38700987 is about 338.2522392673.

The spelling of 38700987 in words is "thirty-eight million, seven hundred thousand, nine hundred eighty-seven".