89445408 has 48 divisors (see below), whose sum is σ = 252858816. Its totient is φ = 27521280.

The previous prime is 89445401. The next prime is 89445409. The reversal of 89445408 is 80454498.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 89445408.

It is not an unprimeable number, because it can be changed into a prime (89445401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34588 + ... + 37083.

It is an arithmetic number, because the mean of its divisors is an integer number (5267892).

Almost surely, 2^89445408 is an apocalyptic number.

It is an amenable number.

89445408 is an abundant number, since it is smaller than the sum of its proper divisors (163413408).

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

89445408 is a wasteful number, since it uses less digits than its factorization.

89445408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71697 (or 71689 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 89445408 is about 9457.5582472433. The cubic root of 89445408 is about 447.2180769551.

The spelling of 89445408 in words is "eighty-nine million, four hundred forty-five thousand, four hundred eight".