38715087 has 8 divisors (see below), whose sum is σ = 53400240. Its totient is φ = 24920000.

The previous prime is 38715073. The next prime is 38715091. The reversal of 38715087 is 78051783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38715087 - 2⁴ = 38715071 is a prime.

It is a super-2 number, since 2×38715087² = 2997715922835138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38715037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222414 + ... + 222587.

It is an arithmetic number, because the mean of its divisors is an integer number (6675030).

Almost surely, 2^38715087 is an apocalyptic number.

38715087 is a deficient number, since it is larger than the sum of its proper divisors (14685153).

38715087 is a wasteful number, since it uses less digits than its factorization.

38715087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445033.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 38715087 is about 6222.1448874162. The cubic root of 38715087 is about 338.2933129612.

The spelling of 38715087 in words is "thirty-eight million, seven hundred fifteen thousand, eighty-seven".