2301897872 has 20 divisors (see below), whose sum is σ = 4580466876. Its totient is φ = 1119841920.

The previous prime is 2301897859. The next prime is 2301897883. The reversal of 2301897872 is 2787981032.

It can be written as a sum of positive squares in 2 ways, for example, as 2100938896 + 200958976 = 45836^2 + 14176^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943579 + ... + 1944762.

Almost surely, 2^2301897872 is an apocalyptic number.

It is an amenable number.

2301897872 is a deficient number, since it is larger than the sum of its proper divisors (2278569004).

2301897872 is a wasteful number, since it uses less digits than its factorization.

2301897872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888386 (or 3888380 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 2301897872 is about 47978.0978364086. The cubic root of 2301897872 is about 1320.3690948261.

The spelling of 2301897872 in words is "two billion, three hundred one million, eight hundred ninety-seven thousand, eight hundred seventy-two".