2647964 has 18 divisors (see below), whose sum is σ = 5094432. Its totient is φ = 1203400.

The previous prime is 2647951. The next prime is 2647969. The reversal of 2647964 is 4697462.

2647964 = T₂₀₀ + T₂₀₁ + ... + T₂₈₇.

2647964 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 not an unprimeable number, because it can be changed into a prime (2647969) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2252 + ... + 3219.

It is an arithmetic number, because the mean of its divisors is an integer number (283024).

2^2647964 is an apocalyptic number.

It is an amenable number.

2647964 is a deficient number, since it is larger than the sum of its proper divisors (2446468).

2647964 is a wasteful number, since it uses less digits than its factorization.

2647964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497 (or 5484 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 2647964 is about 1627.2565870200. The cubic root of 2647964 is about 138.3473013750.

It can be divided in two parts, 264 and 7964, that added together give a palindrome (8228).

The spelling of 2647964 in words is "two million, six hundred forty-seven thousand, nine hundred sixty-four".