99854961 has 8 divisors (see below), whose sum is σ = 133221984. Its totient is φ = 66528960.

The previous prime is 99854939. The next prime is 99854969. The reversal of 99854961 is 16945899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99854961 - 2⁵ = 99854929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99854969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4035 + ... + 14696.

It is an arithmetic number, because the mean of its divisors is an integer number (16652748).

Almost surely, 2^99854961 is an apocalyptic number.

It is an amenable number.

99854961 is a deficient number, since it is larger than the sum of its proper divisors (33367023).

99854961 is a wasteful number, since it uses less digits than its factorization.

99854961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20511.

The product of its digits is 699840, while the sum is 51.

The square root of 99854961 is about 9992.7454185524. The cubic root of 99854961 is about 463.9343709818.

The spelling of 99854961 in words is "ninety-nine million, eight hundred fifty-four thousand, nine hundred sixty-one".