386505087 has 32 divisors (see below), whose sum is σ = 571276800. Its totient is φ = 231340032.

The previous prime is 386505023. The next prime is 386505109. The reversal of 386505087 is 780505683.

It is not a de Polignac number, because 386505087 - 2⁶ = 386505023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386503087) 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 31 ways as a sum of consecutive naturals, for example, 146839 + ... + 149447.

It is an arithmetic number, because the mean of its divisors is an integer number (17852400).

Almost surely, 2^386505087 is an apocalyptic number.

386505087 is a deficient number, since it is larger than the sum of its proper divisors (184771713).

386505087 is a wasteful number, since it uses less digits than its factorization.

386505087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 386505087 is about 19659.7326278869. The cubic root of 386505087 is about 728.4253837382.

The spelling of 386505087 in words is "three hundred eighty-six million, five hundred five thousand, eighty-seven".