99949772 has 12 divisors (see below), whose sum is σ = 188366976. Its totient is φ = 46130640.

The previous prime is 99949771. The next prime is 99949813. The reversal of 99949772 is 27794999.

It is not an unprimeable number, because it can be changed into a prime (99949771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961004 + ... + 961107.

It is an arithmetic number, because the mean of its divisors is an integer number (15697248).

Almost surely, 2^99949772 is an apocalyptic number.

It is an amenable number.

99949772 is a deficient number, since it is larger than the sum of its proper divisors (88417204).

99949772 is a wasteful number, since it uses less digits than its factorization.

99949772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922128 (or 1922126 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 56.

The square root of 99949772 is about 9997.4882845643. The cubic root of 99949772 is about 464.0811577718.

The spelling of 99949772 in words is "ninety-nine million, nine hundred forty-nine thousand, seven hundred seventy-two".