99289272 has 32 divisors (see below), whose sum is σ = 256784400. Its totient is φ = 31954944.

The previous prime is 99289261. The next prime is 99289291. The reversal of 99289272 is 27298299.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70633 + ... + 72024.

Almost surely, 2^99289272 is an apocalyptic number.

It is an amenable number.

99289272 is an abundant number, since it is smaller than the sum of its proper divisors (157495128).

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

99289272 is a wasteful number, since it uses less digits than its factorization.

99289272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142695 (or 142691 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 99289272 is about 9964.4002328289. The cubic root of 99289272 is about 463.0566321701.

The spelling of 99289272 in words is "ninety-nine million, two hundred eighty-nine thousand, two hundred seventy-two".