899342672 has 10 divisors (see below), whose sum is σ = 1742476458. Its totient is φ = 449671328.

The previous prime is 899342671. The next prime is 899342737. The reversal of 899342672 is 276243998.

It can be written as a sum of positive squares in only one way, i.e., 686649616 + 212693056 = 26204^2 + 14584^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 899342672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899342671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28104443 + ... + 28104474.

Almost surely, 2^899342672 is an apocalyptic number.

It is an amenable number.

899342672 is a deficient number, since it is larger than the sum of its proper divisors (843133786).

899342672 is a wasteful number, since it uses less digits than its factorization.

899342672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56208925 (or 56208919 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 899342672 is about 29989.0425322317. The cubic root of 899342672 is about 965.2542743183.

The spelling of 899342672 in words is "eight hundred ninety-nine million, three hundred forty-two thousand, six hundred seventy-two".