89741231 has 4 divisors (see below), whose sum is σ = 91005264. Its totient is φ = 88477200.

The previous prime is 89741213. The next prime is 89741233. The reversal of 89741231 is 13214798.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89741231 - 2²⁶ = 22632367 is a prime.

It is a super-2 number, since 2×89741231² = 16106977082790722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89741191 and 89741200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89741233) 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 in 3 ways as a sum of consecutive naturals, for example, 631910 + ... + 632051.

It is an arithmetic number, because the mean of its divisors is an integer number (22751316).

Almost surely, 2^89741231 is an apocalyptic number.

89741231 is a deficient number, since it is larger than the sum of its proper divisors (1264033).

89741231 is a wasteful number, since it uses less digits than its factorization.

89741231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264032.

The product of its digits is 12096, while the sum is 35.

The square root of 89741231 is about 9473.1848393241. The cubic root of 89741231 is about 447.7105628723.

The spelling of 89741231 in words is "eighty-nine million, seven hundred forty-one thousand, two hundred thirty-one".