99280212 has 24 divisors (see below), whose sum is σ = 234259200. Its totient is φ = 32721216.

The previous prime is 99280199. The next prime is 99280231. The reversal of 99280212 is 21208299.

It is a happy number.

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, 45412 + ... + 47547.

It is an arithmetic number, because the mean of its divisors is an integer number (9760800).

Almost surely, 2^99280212 is an apocalyptic number.

It is an amenable number.

99280212 is an abundant number, since it is smaller than the sum of its proper divisors (134978988).

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

99280212 is a wasteful number, since it uses less digits than its factorization.

99280212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93055 (or 93053 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 99280212 is about 9963.9456040265. The cubic root of 99280212 is about 463.0425473295.

The spelling of 99280212 in words is "ninety-nine million, two hundred eighty thousand, two hundred twelve".