99209372 has 12 divisors (see below), whose sum is σ = 174884640. Its totient is φ = 49242336.

The previous prime is 99209347. The next prime is 99209417. The reversal of 99209372 is 27390299.

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, 89972 + ... + 91067.

It is an arithmetic number, because the mean of its divisors is an integer number (14573720).

Almost surely, 2^99209372 is an apocalyptic number.

It is an amenable number.

99209372 is a deficient number, since it is larger than the sum of its proper divisors (75675268).

99209372 is a wasteful number, since it uses less digits than its factorization.

99209372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181180 (or 181178 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 99209372 is about 9960.3901530010. The cubic root of 99209372 is about 462.9323886239.

The spelling of 99209372 in words is "ninety-nine million, two hundred nine thousand, three hundred seventy-two".