89704028 has 6 divisors (see below), whose sum is σ = 156982056. Its totient is φ = 44852012.

The previous prime is 89704009. The next prime is 89704031. The reversal of 89704028 is 82040798.

It is a junction number, because it is equal to n+sod(n) for n = 89703982 and 89704000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11213000 + ... + 11213007.

It is an arithmetic number, because the mean of its divisors is an integer number (26163676).

Almost surely, 2^89704028 is an apocalyptic number.

It is an amenable number.

89704028 is a deficient number, since it is larger than the sum of its proper divisors (67278028).

89704028 is a wasteful number, since it uses less digits than its factorization.

89704028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22426011 (or 22426009 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 89704028 is about 9471.2210406051. The cubic root of 89704028 is about 447.6486868982.

The spelling of 89704028 in words is "eighty-nine million, seven hundred four thousand, twenty-eight".