99636460 has 192 divisors, whose sum is σ = 284497920. Its totient is φ = 28385280.

The previous prime is 99636421. The next prime is 99636469. The reversal of 99636460 is 6463699.

It is a super-2 number, since 2×99636460² = 19854848322663200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99636469) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1027132 + ... + 1027228.

It is an arithmetic number, because the mean of its divisors is an integer number (1481760).

Almost surely, 2^99636460 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 99636460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142248960).

99636460 is an abundant number, since it is smaller than the sum of its proper divisors (184861460).

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

99636460 is a wasteful number, since it uses less digits than its factorization.

99636460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 99636460 is about 9981.8064497364. The cubic root of 99636460 is about 463.5957326481.

The spelling of 99636460 in words is "ninety-nine million, six hundred thirty-six thousand, four hundred sixty".