89628904 has 8 divisors (see below), whose sum is σ = 168054210. Its totient is φ = 44814448.

The previous prime is 89628901. The next prime is 89628949. The reversal of 89628904 is 40982698.

It can be written as a sum of positive squares in only one way, i.e., 62568100 + 27060804 = 7910^2 + 5202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (89628901) by changing a digit.

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, 5601799 + ... + 5601814.

Almost surely, 2^89628904 is an apocalyptic number.

It is an amenable number.

89628904 is a deficient number, since it is larger than the sum of its proper divisors (78425306).

89628904 is a wasteful number, since it uses less digits than its factorization.

89628904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11203619 (or 11203615 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 89628904 is about 9467.2543010104. The cubic root of 89628904 is about 447.5236886017.

The spelling of 89628904 in words is "eighty-nine million, six hundred twenty-eight thousand, nine hundred four".