89493888 has 64 divisors (see below), whose sum is σ = 259341120. Its totient is φ = 27118080.

The previous prime is 89493883. The next prime is 89493889. The reversal of 89493888 is 88839498.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89493883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6370 + ... + 14817.

It is an arithmetic number, because the mean of its divisors is an integer number (4052205).

Almost surely, 2^89493888 is an apocalyptic number.

89493888 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

89493888 is an abundant number, since it is smaller than the sum of its proper divisors (169847232).

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

89493888 is a wasteful number, since it uses less digits than its factorization.

89493888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21215 (or 21203 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 57.

The square root of 89493888 is about 9460.1209294596. The cubic root of 89493888 is about 447.2988607424.

The spelling of 89493888 in words is "eighty-nine million, four hundred ninety-three thousand, eight hundred eighty-eight".