99501844 has 12 divisors (see below), whose sum is σ = 187522804. Its totient is φ = 45923904.

The previous prime is 99501839. The next prime is 99501851. The reversal of 99501844 is 44810599.

It can be written as a sum of positive squares in 2 ways, for example, as 56100100 + 43401744 = 7490^2 + 6588^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 99501797 and 99501806.

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, 956697 + ... + 956800.

Almost surely, 2^99501844 is an apocalyptic number.

It is an amenable number.

99501844 is a deficient number, since it is larger than the sum of its proper divisors (88020960).

99501844 is a wasteful number, since it uses less digits than its factorization.

99501844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913514 (or 1913512 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 99501844 is about 9975.0611025697. The cubic root of 99501844 is about 463.3868548608.

The spelling of 99501844 in words is "ninety-nine million, five hundred one thousand, eight hundred forty-four".