899200961 has 4 divisors (see below), whose sum is σ = 908471172. Its totient is φ = 889930752.

The previous prime is 899200937. The next prime is 899200987. The reversal of 899200961 is 169002998.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 227406400 + 671794561 = 15080^2 + 25919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899200961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (899200901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4634960 + ... + 4635153.

It is an arithmetic number, because the mean of its divisors is an integer number (227117793).

Almost surely, 2^899200961 is an apocalyptic number.

It is an amenable number.

899200961 is a deficient number, since it is larger than the sum of its proper divisors (9270211).

899200961 is an equidigital number, since it uses as much as digits as its factorization.

899200961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9270210.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 899200961 is about 29986.6797261718. The cubic root of 899200961 is about 965.2035727196.

The spelling of 899200961 in words is "eight hundred ninety-nine million, two hundred thousand, nine hundred sixty-one".