389098231 has 2 divisors, whose sum is σ = 389098232. Its totient is φ = 389098230.

The previous prime is 389098187. The next prime is 389098343. The reversal of 389098231 is 132890983.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389098231 - 2⁹ = 389097719 is a prime.

It is a super-2 number, since 2×389098231² = 302794866734658722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389038231) 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 as a sum of consecutive naturals, namely, 194549115 + 194549116.

It is an arithmetic number, because the mean of its divisors is an integer number (194549116).

Almost surely, 2^389098231 is an apocalyptic number.

389098231 is a deficient number, since it is larger than the sum of its proper divisors (1).

389098231 is an equidigital number, since it uses as much as digits as its factorization.

389098231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 389098231 is about 19725.5730208276. The cubic root of 389098231 is about 730.0508071225.

The spelling of 389098231 in words is "three hundred eighty-nine million, ninety-eight thousand, two hundred thirty-one".