99854490 has 32 divisors (see below), whose sum is σ = 246130560. Its totient is φ = 25907904.

The previous prime is 99854479. The next prime is 99854497. The reversal of 99854490 is 9445899.

It is not an unprimeable number, because it can be changed into a prime (99854497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43870 + ... + 46089.

It is an arithmetic number, because the mean of its divisors is an integer number (7691580).

Almost surely, 2^99854490 is an apocalyptic number.

99854490 is an abundant number, since it is smaller than the sum of its proper divisors (146276070).

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

99854490 is a wasteful number, since it uses less digits than its factorization.

99854490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90006.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 99854490 is about 9992.7218514277. The cubic root of 99854490 is about 463.9336415457.

The spelling of 99854490 in words is "ninety-nine million, eight hundred fifty-four thousand, four hundred ninety".