99397080 has 96 divisors (see below), whose sum is σ = 330604560. Its totient is φ = 25885440.

The previous prime is 99397033. The next prime is 99397091. The reversal of 99397080 is 8079399.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12270 + ... + 18690.

Almost surely, 2^99397080 is an apocalyptic number.

99397080 is a gapful number since it is divisible by the number (90) 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 99397080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165302280).

99397080 is an abundant number, since it is smaller than the sum of its proper divisors (231207480).

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

99397080 is a wasteful number, since it uses less digits than its factorization.

99397080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481 (or 6474 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 99397080 is about 9969.8084234352. The cubic root of 99397080 is about 463.2241667257.

The spelling of 99397080 in words is "ninety-nine million, three hundred ninety-seven thousand, eighty".