89066231 has 4 divisors (see below), whose sum is σ = 89514000. Its totient is φ = 88618464.

The previous prime is 89066203. The next prime is 89066239. The reversal of 89066231 is 13266098.

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 89066231 - 2²⁶ = 21957367 is a prime.

It is a super-2 number, since 2×89066231² = 15865587009090722, 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 = 89066191 and 89066200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89066239) 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, 223586 + ... + 223983.

It is an arithmetic number, because the mean of its divisors is an integer number (22378500).

Almost surely, 2^89066231 is an apocalyptic number.

89066231 is a deficient number, since it is larger than the sum of its proper divisors (447769).

89066231 is a wasteful number, since it uses less digits than its factorization.

89066231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447768.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 89066231 is about 9437.4907152272. The cubic root of 89066231 is about 446.5852328586.

The spelling of 89066231 in words is "eighty-nine million, sixty-six thousand, two hundred thirty-one".