89431608 has 32 divisors (see below), whose sum is σ = 255519360. Its totient is φ = 25551840.

The previous prime is 89431603. The next prime is 89431609. The reversal of 89431608 is 80613498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89431603) 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 in 7 ways as a sum of consecutive naturals, for example, 265998 + ... + 266333.

It is an arithmetic number, because the mean of its divisors is an integer number (7984980).

Almost surely, 2^89431608 is an apocalyptic number.

It is an amenable number.

89431608 is an abundant number, since it is smaller than the sum of its proper divisors (166087752).

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

89431608 is a wasteful number, since it uses less digits than its factorization.

89431608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532347 (or 532343 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 89431608 is about 9456.8286438954. The cubic root of 89431608 is about 447.1950762331.

The spelling of 89431608 in words is "eighty-nine million, four hundred thirty-one thousand, six hundred eight".