99690654 has 32 divisors (see below), whose sum is σ = 234026496. Its totient is φ = 27712800.

The previous prime is 99690631. The next prime is 99690667. The reversal of 99690654 is 45609699.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30522 + ... + 33629.

It is an arithmetic number, because the mean of its divisors is an integer number (7313328).

Almost surely, 2^99690654 is an apocalyptic number.

99690654 is an abundant number, since it is smaller than the sum of its proper divisors (134335842).

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

99690654 is a wasteful number, since it uses less digits than its factorization.

99690654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64200.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 99690654 is about 9984.5207195939. The cubic root of 99690654 is about 463.6797700020.

The spelling of 99690654 in words is "ninety-nine million, six hundred ninety thousand, six hundred fifty-four".