2289400808 has 8 divisors (see below), whose sum is σ = 4292626530. Its totient is φ = 1144700400.

The previous prime is 2289400769. The next prime is 2289400811. The reversal of 2289400808 is 8080049822.

It can be written as a sum of positive squares in only one way, i.e., 2241264964 + 48135844 = 47342^2 + 6938^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143087543 + ... + 143087558.

Almost surely, 2^2289400808 is an apocalyptic number.

It is an amenable number.

2289400808 is a deficient number, since it is larger than the sum of its proper divisors (2003225722).

2289400808 is a wasteful number, since it uses less digits than its factorization.

2289400808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286175107 (or 286175103 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 2289400808 is about 47847.6834130974. The cubic root of 2289400808 is about 1317.9753181295.

The spelling of 2289400808 in words is "two billion, two hundred eighty-nine million, four hundred thousand, eight hundred eight".