89499760 has 80 divisors (see below), whose sum is σ = 241270272. Its totient is φ = 30240000.

The previous prime is 89499743. The next prime is 89499763. The reversal of 89499760 is 6799498.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 89499698 and 89499707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89499763) 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, 38635 + ... + 40885.

Almost surely, 2^89499760 is an apocalyptic number.

89499760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89499760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120635136).

89499760 is an abundant number, since it is smaller than the sum of its proper divisors (151770512).

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

89499760 is a wasteful number, since it uses less digits than its factorization.

89499760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342 (or 2336 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 89499760 is about 9460.4312798096. The cubic root of 89499760 is about 447.3086434643.

It can be divided in two parts, 89 and 499760, that added together give a square (499849 = 707²).

The spelling of 89499760 in words is "eighty-nine million, four hundred ninety-nine thousand, seven hundred sixty".