99654858 has 12 divisors (see below), whose sum is σ = 215918898. Its totient is φ = 33218280.

The previous prime is 99654857. The next prime is 99654871. The reversal of 99654858 is 85845699.

It is a happy number.

99654858 is a `hidden beast` number, since 9 + 96 + 548 + 5 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 96294969 + 3359889 = 9813^2 + 1833^2 .

It is not an unprimeable number, because it can be changed into a prime (99654857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2768173 + ... + 2768208.

Almost surely, 2^99654858 is an apocalyptic number.

99654858 is an abundant number, since it is smaller than the sum of its proper divisors (116264040).

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

99654858 is a wasteful number, since it uses less digits than its factorization.

99654858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536389 (or 5536386 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The square root of 99654858 is about 9982.7279838729. The cubic root of 99654858 is about 463.6242654073.

The spelling of 99654858 in words is "ninety-nine million, six hundred fifty-four thousand, eight hundred fifty-eight".