99214920 has 96 divisors (see below), whose sum is σ = 368521920. Its totient is φ = 22677120.

The previous prime is 99214919. The next prime is 99214949. The reversal of 99214920 is 2941299.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17166 + ... + 22205.

It is an arithmetic number, because the mean of its divisors is an integer number (3838770).

Almost surely, 2^99214920 is an apocalyptic number.

99214920 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99214920 is an abundant number, since it is smaller than the sum of its proper divisors (269307000).

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

99214920 is a wasteful number, since it uses less digits than its factorization.

99214920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39395 (or 39388 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 99214920 is about 9960.6686522542. The cubic root of 99214920 is about 462.9410178524.

It can be divided in two parts, 9921 and 4920, that added together give a palindrome (14841).

The spelling of 99214920 in words is "ninety-nine million, two hundred fourteen thousand, nine hundred twenty".