389013231 has 8 divisors (see below), whose sum is σ = 518814000. Its totient is φ = 259277312.

The previous prime is 389013211. The next prime is 389013241. The reversal of 389013231 is 132310983.

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

It is a cyclic number.

It is not a de Polignac number, because 389013231 - 2⁹ = 389012719 is a prime.

It is a super-2 number, since 2×389013231² = 302662587786118722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389013211) 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, 145 + ... + 27893.

It is an arithmetic number, because the mean of its divisors is an integer number (64851750).

Almost surely, 2^389013231 is an apocalyptic number.

389013231 is a deficient number, since it is larger than the sum of its proper divisors (129800769).

389013231 is a wasteful number, since it uses less digits than its factorization.

389013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32425.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 389013231 is about 19723.4183396287. The cubic root of 389013231 is about 729.9976424519.

The spelling of 389013231 in words is "three hundred eighty-nine million, thirteen thousand, two hundred thirty-one".