99801136 has 40 divisors (see below), whose sum is σ = 199656864. Its totient is φ = 48291840.

The previous prime is 99801131. The next prime is 99801139. The reversal of 99801136 is 63110899.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 99801095 and 99801104.

It is not an unprimeable number, because it can be changed into a prime (99801131) by changing a digit.

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, 155376 + ... + 156016.

Almost surely, 2^99801136 is an apocalyptic number.

It is an amenable number.

99801136 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

99801136 is a wasteful number, since it uses less digits than its factorization.

99801136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 99801136 is about 9990.0518517173. The cubic root of 99801136 is about 463.8509975390.

The spelling of 99801136 in words is "ninety-nine million, eight hundred one thousand, one hundred thirty-six".