99949698 has 24 divisors (see below), whose sum is σ = 229297068. Its totient is φ = 31356672.

The previous prime is 99949693. The next prime is 99949711. The reversal of 99949698 is 89694999.

It can be written as a sum of positive squares in 2 ways, for example, as 90383049 + 9566649 = 9507^2 + 3093^2 .

It is not an unprimeable number, because it can be changed into a prime (99949693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163011 + ... + 163622.

Almost surely, 2^99949698 is an apocalyptic number.

99949698 is an abundant number, since it is smaller than the sum of its proper divisors (129347370).

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

99949698 is a wasteful number, since it uses less digits than its factorization.

99949698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326658 (or 326655 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 63.

The square root of 99949698 is about 9997.4845836340. The cubic root of 99949698 is about 464.0810432409.

The spelling of 99949698 in words is "ninety-nine million, nine hundred forty-nine thousand, six hundred ninety-eight".