89843231 has 4 divisors (see below), whose sum is σ = 89889792. Its totient is φ = 89796672.

The previous prime is 89843227. The next prime is 89843279. The reversal of 89843231 is 13234898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13234898 = 2 ⋅6617449.

It is a cyclic number.

It is not a de Polignac number, because 89843231 - 2² = 89843227 is a prime.

It is a super-2 number, since 2×89843231² = 16143612313038722, 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 (89843291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20255 + ... + 24288.

It is an arithmetic number, because the mean of its divisors is an integer number (22472448).

Almost surely, 2^89843231 is an apocalyptic number.

89843231 is a deficient number, since it is larger than the sum of its proper divisors (46561).

89843231 is a wasteful number, since it uses less digits than its factorization.

89843231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46560.

The product of its digits is 41472, while the sum is 38.

The square root of 89843231 is about 9478.5669275476. The cubic root of 89843231 is about 447.8801214513.

The spelling of 89843231 in words is "eighty-nine million, eight hundred forty-three thousand, two hundred thirty-one".