89001231 has 8 divisors (see below), whose sum is σ = 129456384. Its totient is φ = 53940120.

The previous prime is 89001197. The next prime is 89001293. The reversal of 89001231 is 13210098.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89001231 - 2¹³ = 88993039 is a prime.

It is a super-2 number, since 2×89001231² = 15842438239030722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89001131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1348471 + ... + 1348536.

It is an arithmetic number, because the mean of its divisors is an integer number (16182048).

Almost surely, 2^89001231 is an apocalyptic number.

89001231 is a deficient number, since it is larger than the sum of its proper divisors (40455153).

89001231 is a wasteful number, since it uses less digits than its factorization.

89001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697021.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 89001231 is about 9434.0463747005. The cubic root of 89001231 is about 446.4765680138.

The spelling of 89001231 in words is "eighty-nine million, one thousand, two hundred thirty-one".