99400892 has 18 divisors (see below), whose sum is σ = 178309824. Its totient is φ = 48484960.

The previous prime is 99400841. The next prime is 99400897. The reversal of 99400892 is 29800499.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99400897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 668 + ... + 14115.

Almost surely, 2^99400892 is an apocalyptic number.

It is an amenable number.

99400892 is a deficient number, since it is larger than the sum of its proper divisors (78908932).

99400892 is a wasteful number, since it uses less digits than its factorization.

99400892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14869 (or 14826 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 99400892 is about 9969.9995987964. Note that the first 3 decimals coincide. The cubic root of 99400892 is about 463.2300883885.

The spelling of 99400892 in words is "ninety-nine million, four hundred thousand, eight hundred ninety-two".