89346431 has 2 divisors, whose sum is σ = 89346432. Its totient is φ = 89346430.

The previous prime is 89346403. The next prime is 89346457. The reversal of 89346431 is 13464398.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89346431 - 2¹⁸ = 89084287 is a prime.

It is a super-2 number, since 2×89346431² = 15965569464875522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89346931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44673215 + 44673216.

It is an arithmetic number, because the mean of its divisors is an integer number (44673216).

Almost surely, 2^89346431 is an apocalyptic number.

89346431 is a deficient number, since it is larger than the sum of its proper divisors (1).

89346431 is an equidigital number, since it uses as much as digits as its factorization.

89346431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 89346431 is about 9452.3241057425. The cubic root of 89346431 is about 447.0530577114.

It can be divided in two parts, 8 and 9346431, that added together give a palindrome (9346439).

The spelling of 89346431 in words is "eighty-nine million, three hundred forty-six thousand, four hundred thirty-one".