899561204 has 12 divisors (see below), whose sum is σ = 1610842464. Its totient is φ = 439320504.

The previous prime is 899561189. The next prime is 899561207. The reversal of 899561204 is 402165998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899561207) 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, 2614832 + ... + 2615175.

It is an arithmetic number, because the mean of its divisors is an integer number (134236872).

Almost surely, 2^899561204 is an apocalyptic number.

It is an amenable number.

899561204 is a deficient number, since it is larger than the sum of its proper divisors (711281260).

899561204 is a wasteful number, since it uses less digits than its factorization.

899561204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230054 (or 5230052 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 899561204 is about 29992.6858417181. The cubic root of 899561204 is about 965.3324506243.

The spelling of 899561204 in words is "eight hundred ninety-nine million, five hundred sixty-one thousand, two hundred four".