860000431 has 2 divisors, whose sum is σ = 860000432. Its totient is φ = 860000430.

The previous prime is 860000411. The next prime is 860000443. The reversal of 860000431 is 134000068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 860000431 - 2¹¹ = 859998383 is a prime.

It is a super-2 number, since 2×860000431² = 1479201482640371522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860000411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430000215 + 430000216.

It is an arithmetic number, because the mean of its divisors is an integer number (430000216).

Almost surely, 2^860000431 is an apocalyptic number.

860000431 is a deficient number, since it is larger than the sum of its proper divisors (1).

860000431 is an equidigital number, since it uses as much as digits as its factorization.

860000431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 860000431 is about 29325.7639457184. The cubic root of 860000431 is about 950.9687001691.

Adding to 860000431 its reverse (134000068), we get a palindrome (994000499).

The spelling of 860000431 in words is "eight hundred sixty million, four hundred thirty-one", and thus it is an aban number.