89330621 has 4 divisors (see below), whose sum is σ = 89350044. Its totient is φ = 89311200.

The previous prime is 89330587. The next prime is 89330641. The reversal of 89330621 is 12603398.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51998521 + 37332100 = 7211^2 + 6110^2 .

It is a cyclic number.

It is not a de Polignac number, because 89330621 - 2⁶ = 89330557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89330641) 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, 1511 + ... + 13451.

It is an arithmetic number, because the mean of its divisors is an integer number (22337511).

Almost surely, 2^89330621 is an apocalyptic number.

It is an amenable number.

89330621 is a deficient number, since it is larger than the sum of its proper divisors (19423).

89330621 is a wasteful number, since it uses less digits than its factorization.

89330621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19422.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 89330621 is about 9451.4877664842. The cubic root of 89330621 is about 447.0266872278.

The spelling of 89330621 in words is "eighty-nine million, three hundred thirty thousand, six hundred twenty-one".