89404328 has 16 divisors (see below), whose sum is σ = 180528180. Its totient is φ = 41263488.

The previous prime is 89404319. The next prime is 89404339. The reversal of 89404328 is 82340498.

It can be written as a sum of positive squares in 2 ways, for example, as 86452804 + 2951524 = 9298^2 + 1718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89404291 and 89404300.

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, 429725 + ... + 429932.

Almost surely, 2^89404328 is an apocalyptic number.

It is an amenable number.

89404328 is an abundant number, since it is smaller than the sum of its proper divisors (91123852).

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

89404328 is a wasteful number, since it uses less digits than its factorization.

89404328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859676 (or 859672 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 89404328 is about 9455.3861898920. The cubic root of 89404328 is about 447.1496011764.

The spelling of 89404328 in words is "eighty-nine million, four hundred four thousand, three hundred twenty-eight".