99634934 has 24 divisors (see below), whose sum is σ = 175030128. Its totient is φ = 42411600.

The previous prime is 99634907. The next prime is 99634937. The reversal of 99634934 is 43943699.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99634937) 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, 11432 + ... + 18164.

It is an arithmetic number, because the mean of its divisors is an integer number (7292922).

Almost surely, 2^99634934 is an apocalyptic number.

99634934 is a deficient number, since it is larger than the sum of its proper divisors (75395194).

99634934 is a wasteful number, since it uses less digits than its factorization.

99634934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6900 (or 6893 counting only the distinct ones).

The product of its digits is 629856, while the sum is 47.

The square root of 99634934 is about 9981.7300103740. The cubic root of 99634934 is about 463.5933658749.

The spelling of 99634934 in words is "ninety-nine million, six hundred thirty-four thousand, nine hundred thirty-four".