89509974 has 24 divisors (see below), whose sum is σ = 187148472. Its totient is φ = 28538400.

The previous prime is 89509967. The next prime is 89509991. The reversal of 89509974 is 47990598.

It is a happy number.

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 in 11 ways as a sum of consecutive naturals, for example, 10927 + ... + 17274.

It is an arithmetic number, because the mean of its divisors is an integer number (7797853).

Almost surely, 2^89509974 is an apocalyptic number.

89509974 is an abundant number, since it is smaller than the sum of its proper divisors (97638498).

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

89509974 is a wasteful number, since it uses less digits than its factorization.

89509974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28252 (or 28229 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 89509974 is about 9460.9710918066. The cubic root of 89509974 is about 447.3256589166.

The spelling of 89509974 in words is "eighty-nine million, five hundred nine thousand, nine hundred seventy-four".