389346657 has 8 divisors (see below), whose sum is σ = 593290176. Its totient is φ = 222483792.

The previous prime is 389346521. The next prime is 389346677. The reversal of 389346657 is 756643983.

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

It is not a de Polignac number, because 389346657 - 2⁸ = 389346401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389346677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9270138 + ... + 9270179.

It is an arithmetic number, because the mean of its divisors is an integer number (74161272).

Almost surely, 2^389346657 is an apocalyptic number.

It is an amenable number.

389346657 is a deficient number, since it is larger than the sum of its proper divisors (203943519).

389346657 is a wasteful number, since it uses less digits than its factorization.

389346657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18540327.

The product of its digits is 3265920, while the sum is 51.

The square root of 389346657 is about 19731.8690701109. The cubic root of 389346657 is about 730.2061449463.

The spelling of 389346657 in words is "three hundred eighty-nine million, three hundred forty-six thousand, six hundred fifty-seven".