89530644 has 72 divisors (see below), whose sum is σ = 248733408. Its totient is φ = 24978240.

The previous prime is 89530633. The next prime is 89530667. The reversal of 89530644 is 44603598.

89530644 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

89530644 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23514 + ... + 27054.

Almost surely, 2^89530644 is an apocalyptic number.

89530644 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89530644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124366704).

89530644 is an abundant number, since it is smaller than the sum of its proper divisors (159202764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89530644 is a wasteful number, since it uses less digits than its factorization.

89530644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605 (or 3596 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 89530644 is about 9462.0634113284. The cubic root of 89530644 is about 447.3600890079.

The spelling of 89530644 in words is "eighty-nine million, five hundred thirty thousand, six hundred forty-four".