99985592 has 16 divisors (see below), whose sum is σ = 214254960. Its totient is φ = 42850944.

The previous prime is 99985579. The next prime is 99985603. The reversal of 99985592 is 29558999.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 1785457 = 99985592 / (9 + 9 + 9 + 8 + 5 + 5 + 9 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892673 + ... + 892784.

It is an arithmetic number, because the mean of its divisors is an integer number (13390935).

Almost surely, 2^99985592 is an apocalyptic number.

It is an amenable number.

99985592 is an abundant number, since it is smaller than the sum of its proper divisors (114269368).

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

99985592 is a wasteful number, since it uses less digits than its factorization.

99985592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785470 (or 1785466 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 56.

The square root of 99985592 is about 9999.2795740493. The cubic root of 99985592 is about 464.1365902866.

The spelling of 99985592 in words is "ninety-nine million, nine hundred eighty-five thousand, five hundred ninety-two".