99949736 has 8 divisors (see below), whose sum is σ = 187405770. Its totient is φ = 49974864.

The previous prime is 99949711. The next prime is 99949771. The reversal of 99949736 is 63794999.

It can be written as a sum of positive squares in only one way, i.e., 86304100 + 13645636 = 9290^2 + 3694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6246851 + ... + 6246866.

Almost surely, 2^99949736 is an apocalyptic number.

It is an amenable number.

99949736 is a deficient number, since it is larger than the sum of its proper divisors (87456034).

99949736 is a wasteful number, since it uses less digits than its factorization.

99949736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12493723 (or 12493719 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 56.

The square root of 99949736 is about 9997.4864841119. The cubic root of 99949736 is about 464.0811020541.

The spelling of 99949736 in words is "ninety-nine million, nine hundred forty-nine thousand, seven hundred thirty-six".