99509346 has 24 divisors (see below), whose sum is σ = 226951920. Its totient is φ = 31423896.

The previous prime is 99509329. The next prime is 99509359. The reversal of 99509346 is 64390599.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145140 + ... + 145823.

It is an arithmetic number, because the mean of its divisors is an integer number (9456330).

Almost surely, 2^99509346 is an apocalyptic number.

99509346 is an abundant number, since it is smaller than the sum of its proper divisors (127442574).

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

99509346 is a wasteful number, since it uses less digits than its factorization.

99509346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290990 (or 290987 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 99509346 is about 9975.4371332789. The cubic root of 99509346 is about 463.3985003429.

The spelling of 99509346 in words is "ninety-nine million, five hundred nine thousand, three hundred forty-six".