99646332 has 12 divisors (see below), whose sum is σ = 232508136. Its totient is φ = 33215440.

The previous prime is 99646331. The next prime is 99646357. The reversal of 99646332 is 23364699.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99646331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4151919 + ... + 4151942.

It is an arithmetic number, because the mean of its divisors is an integer number (19375678).

Almost surely, 2^99646332 is an apocalyptic number.

It is an amenable number.

99646332 is an abundant number, since it is smaller than the sum of its proper divisors (132861804).

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

99646332 is a wasteful number, since it uses less digits than its factorization.

99646332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8303868 (or 8303866 counting only the distinct ones).

The product of its digits is 209952, while the sum is 42.

The square root of 99646332 is about 9982.3009371587. The cubic root of 99646332 is about 463.6110431945.

The spelling of 99646332 in words is "ninety-nine million, six hundred forty-six thousand, three hundred thirty-two".