99690304 has 84 divisors (see below), whose sum is σ = 233501184. Its totient is φ = 42099456.

The previous prime is 99690299. The next prime is 99690307. The reversal of 99690304 is 40309699.

It is a super-2 number, since 2×99690304² = 19876313423224832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99690307) 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, 260097 + ... + 260479.

It is an arithmetic number, because the mean of its divisors is an integer number (2779776).

Almost surely, 2^99690304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99690304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116750592).

99690304 is an abundant number, since it is smaller than the sum of its proper divisors (133810880).

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

99690304 is a wasteful number, since it uses less digits than its factorization.

99690304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 99690304 is about 9984.5031924478. The cubic root of 99690304 is about 463.6792273630.

The spelling of 99690304 in words is "ninety-nine million, six hundred ninety thousand, three hundred four".