389157 has 4 divisors (see below), whose sum is σ = 518880. Its totient is φ = 259436.

The previous prime is 389149. The next prime is 389161. The reversal of 389157 is 751983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 389157 - 2³ = 389149 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64857 + ... + 64862.

It is an arithmetic number, because the mean of its divisors is an integer number (129720).

2³⁸⁹¹⁵⁷ is an apocalyptic number.

It is an amenable number.

389157 is a deficient number, since it is larger than the sum of its proper divisors (129723).

389157 is a wasteful number, since it uses less digits than its factorization.

389157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129722.

The product of its digits is 7560, while the sum is 33.

The square root of 389157 is about 623.8244945495. The cubic root of 389157 is about 73.0087560649.

The spelling of 389157 in words is "three hundred eighty-nine thousand, one hundred fifty-seven".