99851684 has 12 divisors (see below), whose sum is σ = 175492044. Its totient is φ = 49711104.

The previous prime is 99851677. The next prime is 99851699. The reversal of 99851684 is 48615899.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53611684 + 46240000 = 7322^2 + 6800^2 .

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, 52637 + ... + 54500.

It is an arithmetic number, because the mean of its divisors is an integer number (14624337).

Almost surely, 2^99851684 is an apocalyptic number.

It is an amenable number.

99851684 is a deficient number, since it is larger than the sum of its proper divisors (75640360).

99851684 is a wasteful number, since it uses less digits than its factorization.

99851684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107374 (or 107372 counting only the distinct ones).

The product of its digits is 622080, while the sum is 50.

The square root of 99851684 is about 9992.5814482545. The cubic root of 99851684 is about 463.9292958557.

The spelling of 99851684 in words is "ninety-nine million, eight hundred fifty-one thousand, six hundred eighty-four".