99823760 has 20 divisors (see below), whose sum is σ = 232090428. Its totient is φ = 39929472.

The previous prime is 99823753. The next prime is 99823819. The reversal of 99823760 is 6732899.

It can be written as a sum of positive squares in 2 ways, for example, as 27709696 + 72114064 = 5264^2 + 8492^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 623819 + ... + 623978.

Almost surely, 2^99823760 is an apocalyptic number.

It is an amenable number.

99823760 is an abundant number, since it is smaller than the sum of its proper divisors (132266668).

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

99823760 is a wasteful number, since it uses less digits than its factorization.

99823760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247810 (or 1247804 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 99823760 is about 9991.1841140077. The cubic root of 99823760 is about 463.8860451431.

The spelling of 99823760 in words is "ninety-nine million, eight hundred twenty-three thousand, seven hundred sixty".