89945448 has 16 divisors (see below), whose sum is σ = 224863680. Its totient is φ = 29981808.

The previous prime is 89945437. The next prime is 89945497. The reversal of 89945448 is 84454998.

It is a self number, because there is not a number n which added to its sum of digits gives 89945448.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1873840 + ... + 1873887.

It is an arithmetic number, because the mean of its divisors is an integer number (14053980).

Almost surely, 2^89945448 is an apocalyptic number.

It is an amenable number.

89945448 is an abundant number, since it is smaller than the sum of its proper divisors (134918232).

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

89945448 is a wasteful number, since it uses less digits than its factorization.

89945448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747736 (or 3747732 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 89945448 is about 9483.9574018444. The cubic root of 89945448 is about 448.0499120623.

The spelling of 89945448 in words is "eighty-nine million, nine hundred forty-five thousand, four hundred forty-eight".