99570496 has 84 divisors (see below), whose sum is σ = 219963492. Its totient is φ = 44560384.

The previous prime is 99570461. The next prime is 99570503. The reversal of 99570496 is 69407599.

It can be written as a sum of positive squares in 2 ways, for example, as 84640000 + 14930496 = 9200^2 + 3864^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 575466 + ... + 575638.

It is an arithmetic number, because the mean of its divisors is an integer number (2618613).

Almost surely, 2^99570496 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 99570496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109981746).

99570496 is an abundant number, since it is smaller than the sum of its proper divisors (120392996).

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

99570496 is a wasteful number, since it uses less digits than its factorization.

99570496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 99570496 is about 9978.5016911358. The cubic root of 99570496 is about 463.4934027045.

The spelling of 99570496 in words is "ninety-nine million, five hundred seventy thousand, four hundred ninety-six".