89503488 has 144 divisors (see below), whose sum is σ = 276675840. Its totient is φ = 28486656.

The previous prime is 89503423. The next prime is 89503489. The reversal of 89503488 is 88430598.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×89503488² = 16021748728332288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89503489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158695 + ... + 159257.

It is an arithmetic number, because the mean of its divisors is an integer number (1921360).

Almost surely, 2^89503488 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 89503488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138337920).

89503488 is an abundant number, since it is smaller than the sum of its proper divisors (187172352).

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

89503488 is a wasteful number, since it uses less digits than its factorization.

89503488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 89503488 is about 9460.6283089444. The cubic root of 89503488 is about 447.3148540712.

The spelling of 89503488 in words is "eighty-nine million, five hundred three thousand, four hundred eighty-eight".