99885401 has 16 divisors (see below), whose sum is σ = 125245440. Its totient is φ = 77387280.

The previous prime is 99885397. The next prime is 99885403. The reversal of 99885401 is 10458899.

It is a cyclic number.

It is not a de Polignac number, because 99885401 - 2² = 99885397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99885403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10160 + ... + 17406.

It is an arithmetic number, because the mean of its divisors is an integer number (7827840).

Almost surely, 2^99885401 is an apocalyptic number.

It is an amenable number.

99885401 is a deficient number, since it is larger than the sum of its proper divisors (25360039).

99885401 is a wasteful number, since it uses less digits than its factorization.

99885401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 99885401 is about 9994.2684074423. The cubic root of 99885401 is about 463.9815084411.

The spelling of 99885401 in words is "ninety-nine million, eight hundred eighty-five thousand, four hundred one".