89944440 has 64 divisors (see below), whose sum is σ = 270466560. Its totient is φ = 23928960.

The previous prime is 89944403. The next prime is 89944451. The reversal of 89944440 is 4444998.

It is a junction number, because it is equal to n+sod(n) for n = 89944392 and 89944401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86725 + ... + 87755.

It is an arithmetic number, because the mean of its divisors is an integer number (4226040).

Almost surely, 2^89944440 is an apocalyptic number.

It is an amenable number.

89944440 is an abundant number, since it is smaller than the sum of its proper divisors (180522120).

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

89944440 is a wasteful number, since it uses less digits than its factorization.

89944440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1768 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 89944440 is about 9483.9042593227. The cubic root of 89944440 is about 448.0482383219.

The spelling of 89944440 in words is "eighty-nine million, nine hundred forty-four thousand, four hundred forty".