99699700 has 36 divisors (see below), whose sum is σ = 221634252. Its totient is φ = 38905600.

The previous prime is 99699653. The next prime is 99699703. The reversal of 99699700 is 799699.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 10510564 + 89189136 = 3242^2 + 9444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99699703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8059 + ... + 16258.

It is an arithmetic number, because the mean of its divisors is an integer number (6156507).

Almost surely, 2^99699700 is an apocalyptic number.

It is an amenable number.

99699700 is an abundant number, since it is smaller than the sum of its proper divisors (121934552).

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

99699700 is a wasteful number, since it uses less digits than its factorization.

99699700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24372 (or 24365 counting only the distinct ones).

The product of its (nonzero) digits is 275562, while the sum is 49.

The square root of 99699700 is about 9984.9737105312. The cubic root of 99699700 is about 463.6937944539.

The spelling of 99699700 in words is "ninety-nine million, six hundred ninety-nine thousand, seven hundred".