389327087 has 4 divisors (see below), whose sum is σ = 389382216. Its totient is φ = 389271960.

The previous prime is 389327083. The next prime is 389327093. The reversal of 389327087 is 780723983.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 389327087 - 2² = 389327083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389327083) 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 3 ways as a sum of consecutive naturals, for example, 15089 + ... + 31722.

It is an arithmetic number, because the mean of its divisors is an integer number (97345554).

Almost surely, 2^389327087 is an apocalyptic number.

389327087 is a deficient number, since it is larger than the sum of its proper divisors (55129).

389327087 is an equidigital number, since it uses as much as digits as its factorization.

389327087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55128.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 389327087 is about 19731.3731655960. The cubic root of 389327087 is about 730.1939104560.

The spelling of 389327087 in words is "three hundred eighty-nine million, three hundred twenty-seven thousand, eighty-seven".