99213392 has 40 divisors (see below), whose sum is σ = 199368192. Its totient is φ = 47779200.

The previous prime is 99213353. The next prime is 99213407. The reversal of 99213392 is 29331299.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156917 + ... + 157547.

Almost surely, 2^99213392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99213392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99684096).

99213392 is an abundant number, since it is smaller than the sum of its proper divisors (100154800).

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

99213392 is a wasteful number, since it uses less digits than its factorization.

99213392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 981 counting only the distinct ones).

The product of its digits is 26244, while the sum is 38.

The square root of 99213392 is about 9960.5919502809. The cubic root of 99213392 is about 462.9386412693.

The spelling of 99213392 in words is "ninety-nine million, two hundred thirteen thousand, three hundred ninety-two".