899053988 has 12 divisors (see below), whose sum is σ = 1798108032. Its totient is φ = 385308840.

The previous prime is 899053949. The next prime is 899053997. The reversal of 899053988 is 889350998.

It is a happy number.

899053988 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16054508 + ... + 16054563.

It is an arithmetic number, because the mean of its divisors is an integer number (149842336).

Almost surely, 2^899053988 is an apocalyptic number.

It is an amenable number.

899053988 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.

899053988 is a wasteful number, since it uses less digits than its factorization.

899053988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32109082 (or 32109080 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 59.

The square root of 899053988 is about 29984.2289879196. The cubic root of 899053988 is about 965.1509828461.

The spelling of 899053988 in words is "eight hundred ninety-nine million, fifty-three thousand, nine hundred eighty-eight".