89798431 has 8 divisors (see below), whose sum is σ = 91609920. Its totient is φ = 88003968.

The previous prime is 89798411. The next prime is 89798473. The reversal of 89798431 is 13489798.

It is a happy number.

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 89798431 - 2¹⁷ = 89667359 is a prime.

It is a super-2 number, since 2×89798431² = 16127516420123522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89798411) 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, 6675 + ... + 14971.

It is an arithmetic number, because the mean of its divisors is an integer number (11451240).

Almost surely, 2^89798431 is an apocalyptic number.

89798431 is a deficient number, since it is larger than the sum of its proper divisors (1811489).

89798431 is a wasteful number, since it uses less digits than its factorization.

89798431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8513.

The product of its digits is 435456, while the sum is 49.

The square root of 89798431 is about 9476.2034064281. The cubic root of 89798431 is about 447.8056644768.

The spelling of 89798431 in words is "eighty-nine million, seven hundred ninety-eight thousand, four hundred thirty-one".