899580049 has 9 divisors (see below), whose sum is σ = 912508977. Its totient is φ = 886833024.

The previous prime is 899579999. The next prime is 899580067. The reversal of 899580049 is 940085998.

The square root of 899580049 is 29993.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 262926225 + 636653824 = 16215^2 + 25232^2 .

It is not a de Polignac number, because 899580049 - 2⁷ = 899579921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 899579978 and 899580005.

It is not an unprimeable number, because it can be changed into a prime (899580949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2669209 + ... + 2669545.

Almost surely, 2^899580049 is an apocalyptic number.

899580049 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

899580049 is the 29993-rd square number.

899580049 is the 14997-th centered octagonal number.

It is an amenable number.

899580049 is a deficient number, since it is larger than the sum of its proper divisors (12928928).

899580049 is an frugal number, since it uses more digits than its factorization.

899580049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The cubic root of 899580049 is about 965.3391915268.

The spelling of 899580049 in words is "eight hundred ninety-nine million, five hundred eighty thousand, forty-nine".