2806401764 has 48 divisors (see below), whose sum is σ = 5403417600. Its totient is φ = 1269439776.

The previous prime is 2806401737. The next prime is 2806401779. The reversal of 2806401764 is 4671046082.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 1605539 + ... + 1607285.

It is an arithmetic number, because the mean of its divisors is an integer number (112571200).

Almost surely, 2^2806401764 is an apocalyptic number.

It is an amenable number.

2806401764 is a deficient number, since it is larger than the sum of its proper divisors (2597015836).

2806401764 is a wasteful number, since it uses less digits than its factorization.

2806401764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712 (or 2710 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 2806401764 is about 52975.4826688724. The cubic root of 2806401764 is about 1410.5330988894.

The spelling of 2806401764 in words is "two billion, eight hundred six million, four hundred one thousand, seven hundred sixty-four".