89342864 has 120 divisors (see below), whose sum is σ = 206951040. Its totient is φ = 37200384.

The previous prime is 89342861. The next prime is 89342873. The reversal of 89342864 is 46824398.

89342864 = 168² + 169² + ... + 648².

It is not an unprimeable number, because it can be changed into a prime (89342861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1900889 + ... + 1900935.

It is an arithmetic number, because the mean of its divisors is an integer number (1724592).

Almost surely, 2^89342864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89342864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103475520).

89342864 is an abundant number, since it is smaller than the sum of its proper divisors (117608176).

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

89342864 is a wasteful number, since it uses less digits than its factorization.

89342864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 118 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 89342864 is about 9452.1354201048. The cubic root of 89342864 is about 447.0471083617.

The spelling of 89342864 in words is "eighty-nine million, three hundred forty-two thousand, eight hundred sixty-four".