2303891964 has 48 divisors (see below), whose sum is σ = 6516061440. Its totient is φ = 698148720.

The previous prime is 2303891959. The next prime is 2303891971. The reversal of 2303891964 is 4691983032.

It is a happy number.

2303891964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968464 + ... + 970839.

It is an arithmetic number, because the mean of its divisors is an integer number (135751280).

Almost surely, 2^2303891964 is an apocalyptic number.

It is an amenable number.

2303891964 is an abundant number, since it is smaller than the sum of its proper divisors (4212169476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2303891964 is a wasteful number, since it uses less digits than its factorization.

2303891964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939327 (or 1939319 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 2303891964 is about 47998.8746118073. The cubic root of 2303891964 is about 1320.7502553109.

The spelling of 2303891964 in words is "two billion, three hundred three million, eight hundred ninety-one thousand, nine hundred sixty-four".