99488574 has 48 divisors (see below), whose sum is σ = 224668080. Its totient is φ = 32996160.

The previous prime is 99488563. The next prime is 99488603. The reversal of 99488574 is 47588499.

99488574 is a `hidden beast` number, since 99 + 488 + 5 + 74 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 99488574.

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, 130354 + ... + 131114.

It is an arithmetic number, because the mean of its divisors is an integer number (4680585).

Almost surely, 2^99488574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99488574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112334040).

99488574 is an abundant number, since it is smaller than the sum of its proper divisors (125179506).

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

99488574 is a wasteful number, since it uses less digits than its factorization.

99488574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1035 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 99488574 is about 9974.3959215584. The cubic root of 99488574 is about 463.3662541808.

The spelling of 99488574 in words is "ninety-nine million, four hundred eighty-eight thousand, five hundred seventy-four".