99192280 has 128 divisors (see below), whose sum is σ = 262440000. Its totient is φ = 33341440.

The previous prime is 99192257. The next prime is 99192319. The reversal of 99192280 is 8229199.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665646 + ... + 665794.

Almost surely, 2^99192280 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 99192280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131220000).

99192280 is an abundant number, since it is smaller than the sum of its proper divisors (163247720).

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

99192280 is a wasteful number, since it uses less digits than its factorization.

99192280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 99192280 is about 9959.5321175244. The cubic root of 99192280 is about 462.9058021074.

The spelling of 99192280 in words is "ninety-nine million, one hundred ninety-two thousand, two hundred eighty".