38398087 has 16 divisors (see below), whose sum is σ = 50041152. Its totient is φ = 28592640.

The previous prime is 38398049. The next prime is 38398103. The reversal of 38398087 is 78089383.

It is a de Polignac number, because none of the positive numbers 2^k-38398087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38398687) 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, 10864 + ... + 13957.

It is an arithmetic number, because the mean of its divisors is an integer number (3127572).

Almost surely, 2^38398087 is an apocalyptic number.

38398087 is a deficient number, since it is larger than the sum of its proper divisors (11643065).

38398087 is a wasteful number, since it uses less digits than its factorization.

38398087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24858.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 38398087 is about 6196.6189974856. The cubic root of 38398087 is about 337.3674636433.

The spelling of 38398087 in words is "thirty-eight million, three hundred ninety-eight thousand, eighty-seven".