899317740 has 48 divisors (see below), whose sum is σ = 2571674112. Its totient is φ = 234714816.

The previous prime is 899317729. The next prime is 899317759. The reversal of 899317740 is 47713998.

It is a self number, because there is not a number n which added to its sum of digits gives 899317740.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156634 + ... + 162273.

It is an arithmetic number, because the mean of its divisors is an integer number (53576544).

Almost surely, 2^899317740 is an apocalyptic number.

It is an amenable number.

899317740 is an abundant number, since it is smaller than the sum of its proper divisors (1672356372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899317740 is a wasteful number, since it uses less digits than its factorization.

899317740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318966 (or 318964 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 899317740 is about 29988.6268441888. The cubic root of 899317740 is about 965.2453544917.

The spelling of 899317740 in words is "eight hundred ninety-nine million, three hundred seventeen thousand, seven hundred forty".