899890485 has 32 divisors (see below), whose sum is σ = 1558679808. Its totient is φ = 440709120.

The previous prime is 899890469. The next prime is 899890493. The reversal of 899890485 is 584098998.

It is not a de Polignac number, because 899890485 - 2⁴ = 899890469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25680 + ... + 49590.

It is an arithmetic number, because the mean of its divisors is an integer number (48708744).

Almost surely, 2^899890485 is an apocalyptic number.

It is an amenable number.

899890485 is a deficient number, since it is larger than the sum of its proper divisors (658789323).

899890485 is a wasteful number, since it uses less digits than its factorization.

899890485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24125.

The product of its (nonzero) digits is 7464960, while the sum is 60.

The square root of 899890485 is about 29998.1746944710. The cubic root of 899890485 is about 965.4502216949.

The spelling of 899890485 in words is "eight hundred ninety-nine million, eight hundred ninety thousand, four hundred eighty-five".