99894920 has 32 divisors (see below), whose sum is σ = 226416600. Its totient is φ = 39664128.

The previous prime is 99894919. The next prime is 99894929. The reversal of 99894920 is 2949899.

It can be written as a sum of positive squares in 4 ways, for example, as 99720196 + 174724 = 9986^2 + 418^2 .

It is not an unprimeable number, because it can be changed into a prime (99894929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3635 + ... + 14594.

Almost surely, 2^99894920 is an apocalyptic number.

It is an amenable number.

99894920 is an abundant number, since it is smaller than the sum of its proper divisors (126521680).

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

99894920 is a wasteful number, since it uses less digits than its factorization.

99894920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18377 (or 18373 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 99894920 is about 9994.7446190486. The cubic root of 99894920 is about 463.9962469970.

The spelling of 99894920 in words is "ninety-nine million, eight hundred ninety-four thousand, nine hundred twenty".