99985146 has 8 divisors (see below), whose sum is σ = 199970304. Its totient is φ = 33328380.

The previous prime is 99985141. The next prime is 99985147. The reversal of 99985146 is 64158999.

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

99985146 is an admirable number.

It is a super-3 number, since 3×99985146³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (99985141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8332090 + ... + 8332101.

It is an arithmetic number, because the mean of its divisors is an integer number (24996288).

Almost surely, 2^99985146 is an apocalyptic number.

99985146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99985146 is a wasteful number, since it uses less digits than its factorization.

99985146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16664196.

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

The square root of 99985146 is about 9999.2572724178. The cubic root of 99985146 is about 464.1359001698.

The spelling of 99985146 in words is "ninety-nine million, nine hundred eighty-five thousand, one hundred forty-six".