89428836 has 24 divisors (see below), whose sum is σ = 238477120. Its totient is φ = 25551072.

The previous prime is 89428819. The next prime is 89428879. The reversal of 89428836 is 63882498.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532231 + ... + 532398.

Almost surely, 2^89428836 is an apocalyptic number.

It is an amenable number.

89428836 is an abundant number, since it is smaller than the sum of its proper divisors (149048284).

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

89428836 is a wasteful number, since it uses less digits than its factorization.

89428836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064643 (or 1064641 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 89428836 is about 9456.6820819990. The cubic root of 89428836 is about 447.1904558027.

The spelling of 89428836 in words is "eighty-nine million, four hundred twenty-eight thousand, eight hundred thirty-six".