89360621 has 4 divisors (see below), whose sum is σ = 102126432. Its totient is φ = 76594812.

The previous prime is 89360611. The next prime is 89360627. The reversal of 89360621 is 12606398.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-89360621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89360627) 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, 6382895 + ... + 6382908.

It is an arithmetic number, because the mean of its divisors is an integer number (25531608).

Almost surely, 2^89360621 is an apocalyptic number.

It is an amenable number.

89360621 is a deficient number, since it is larger than the sum of its proper divisors (12765811).

89360621 is a wasteful number, since it uses less digits than its factorization.

89360621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12765810.

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

The square root of 89360621 is about 9453.0746849901. The cubic root of 89360621 is about 447.0767234472.

The spelling of 89360621 in words is "eighty-nine million, three hundred sixty thousand, six hundred twenty-one".