99890592 has 48 divisors (see below), whose sum is σ = 263723040. Its totient is φ = 33105152.

The previous prime is 99890579. The next prime is 99890627. The reversal of 99890592 is 29509899.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×99890592² = 19956260740220928, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14278 + ... + 20090.

It is an arithmetic number, because the mean of its divisors is an integer number (5494230).

Almost surely, 2^99890592 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 99890592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131861520).

99890592 is an abundant number, since it is smaller than the sum of its proper divisors (163832448).

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

99890592 is a wasteful number, since it uses less digits than its factorization.

99890592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005 (or 5997 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 51.

The square root of 99890592 is about 9994.5281029171. The cubic root of 99890592 is about 463.9895459397.

The spelling of 99890592 in words is "ninety-nine million, eight hundred ninety thousand, five hundred ninety-two".