899100285 has 16 divisors (see below), whose sum is σ = 1484966400. Its totient is φ = 464051520.

The previous prime is 899100281. The next prime is 899100299. The reversal of 899100285 is 582001998.

899100285 = 9991² + 9992² + ... + 9999².

It is a happy number.

It is not a de Polignac number, because 899100285 - 2² = 899100281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899100281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966310 + ... + 967239.

It is an arithmetic number, because the mean of its divisors is an integer number (92810400).

Almost surely, 2^899100285 is an apocalyptic number.

It is an amenable number.

899100285 is a deficient number, since it is larger than the sum of its proper divisors (585866115).

899100285 is a wasteful number, since it uses less digits than its factorization.

899100285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933588.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 899100285 is about 29985.0010005002. The cubic root of 899100285 is about 965.1675494553.

The spelling of 899100285 in words is "eight hundred ninety-nine million, one hundred thousand, two hundred eighty-five".