89312688 has 30 divisors (see below), whose sum is σ = 249951884. Its totient is φ = 29770848.

The previous prime is 89312687. The next prime is 89312689. The reversal of 89312688 is 88621398.

It is an interprime number because it is at equal distance from previous prime (89312687) and next prime (89312689).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (89312683) 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 5 ways as a sum of consecutive naturals, for example, 309970 + ... + 310257.

Almost surely, 2^89312688 is an apocalyptic number.

It is an amenable number.

89312688 is an abundant number, since it is smaller than the sum of its proper divisors (160639196).

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

89312688 is a wasteful number, since it uses less digits than its factorization.

89312688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620241 (or 620232 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 89312688 is about 9450.5390322457. The cubic root of 89312688 is about 446.9967718939.

It can be divided in two parts, 89312 and 688, that added together give a square (90000 = 300²).

The spelling of 89312688 in words is "eighty-nine million, three hundred twelve thousand, six hundred eighty-eight".