99387292 has 12 divisors (see below), whose sum is σ = 179925480. Its totient is φ = 47980016.

The previous prime is 99387283. The next prime is 99387313. The reversal of 99387292 is 29278399.

It is a super-2 number, since 2×99387292² = 19755667622186528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428278 + ... + 428509.

It is an arithmetic number, because the mean of its divisors is an integer number (14993790).

Almost surely, 2^99387292 is an apocalyptic number.

It is an amenable number.

99387292 is a deficient number, since it is larger than the sum of its proper divisors (80538188).

99387292 is a wasteful number, since it uses less digits than its factorization.

99387292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856820 (or 856818 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The square root of 99387292 is about 9969.3175292996. The cubic root of 99387292 is about 463.2089610913.

The spelling of 99387292 in words is "ninety-nine million, three hundred eighty-seven thousand, two hundred ninety-two".