2047764 has 12 divisors (see below), whose sum is σ = 4778144. Its totient is φ = 682584.

The previous prime is 2047741. The next prime is 2047781. The reversal of 2047764 is 4677402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85312 + ... + 85335.

2^2047764 is an apocalyptic number.

It is an amenable number.

2047764 is an abundant number, since it is smaller than the sum of its proper divisors (2730380).

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

2047764 is a wasteful number, since it uses less digits than its factorization.

2047764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170654 (or 170652 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 2047764 is about 1431.0010482176. The cubic root of 2047764 is about 126.9872060189.

The spelling of 2047764 in words is "two million, forty-seven thousand, seven hundred sixty-four".