389610087 has 12 divisors (see below), whose sum is σ = 543050424. Its totient is φ = 248446000.

The previous prime is 389610079. The next prime is 389610107. The reversal of 389610087 is 780016983.

It is not a de Polignac number, because 389610087 - 2³ = 389610079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389610017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121164 + ... + 124337.

It is an arithmetic number, because the mean of its divisors is an integer number (45254202).

Almost surely, 2^389610087 is an apocalyptic number.

389610087 is a deficient number, since it is larger than the sum of its proper divisors (153440337).

389610087 is a wasteful number, since it uses less digits than its factorization.

389610087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245550 (or 245527 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 389610087 is about 19738.5431833254. The cubic root of 389610087 is about 730.3707924266.

The spelling of 389610087 in words is "three hundred eighty-nine million, six hundred ten thousand, eighty-seven".