389096431 has 2 divisors, whose sum is σ = 389096432. Its totient is φ = 389096430.

The previous prime is 389096429. The next prime is 389096443. The reversal of 389096431 is 134690983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389096431 - 2¹ = 389096429 is a prime.

It is a super-2 number, since 2×389096431² = 302792065233875522, which contains 22 as substring.

Together with 389096429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389096131) 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, 194548215 + 194548216.

It is an arithmetic number, because the mean of its divisors is an integer number (194548216).

Almost surely, 2^389096431 is an apocalyptic number.

389096431 is a deficient number, since it is larger than the sum of its proper divisors (1).

389096431 is an equidigital number, since it uses as much as digits as its factorization.

389096431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 389096431 is about 19725.5273947238. The cubic root of 389096431 is about 730.0496813626.

The spelling of 389096431 in words is "three hundred eighty-nine million, ninety-six thousand, four hundred thirty-one".