89858631 has 16 divisors (see below), whose sum is σ = 125593344. Its totient is φ = 57038784.

The previous prime is 89858623. The next prime is 89858633. The reversal of 89858631 is 13685898.

It is not a de Polignac number, because 89858631 - 2³ = 89858623 is a prime.

It is a super-2 number, since 2×89858631² = 16149147130388322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89858633) 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 15 ways as a sum of consecutive naturals, for example, 12795 + ... + 18531.

It is an arithmetic number, because the mean of its divisors is an integer number (7849584).

Almost surely, 2^89858631 is an apocalyptic number.

89858631 is a deficient number, since it is larger than the sum of its proper divisors (35734713).

89858631 is a wasteful number, since it uses less digits than its factorization.

89858631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5990.

The product of its digits is 414720, while the sum is 48.

The square root of 89858631 is about 9479.3792518287. The cubic root of 89858631 is about 447.9057103196.

The spelling of 89858631 in words is "eighty-nine million, eight hundred fifty-eight thousand, six hundred thirty-one".