899249804 has 6 divisors (see below), whose sum is σ = 1573687164. Its totient is φ = 449624900.

The previous prime is 899249801. The next prime is 899249851. The reversal of 899249804 is 408942998.

It is not an unprimeable number, because it can be changed into a prime (899249801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112406222 + ... + 112406229.

It is an arithmetic number, because the mean of its divisors is an integer number (262281194).

Almost surely, 2^899249804 is an apocalyptic number.

It is an amenable number.

899249804 is a deficient number, since it is larger than the sum of its proper divisors (674437360).

899249804 is a wasteful number, since it uses less digits than its factorization.

899249804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224812455 (or 224812453 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 53.

The square root of 899249804 is about 29987.4941267189. The cubic root of 899249804 is about 965.2210484514.

The spelling of 899249804 in words is "eight hundred ninety-nine million, two hundred forty-nine thousand, eight hundred four".