2646964 has 6 divisors (see below), whose sum is σ = 4632194. Its totient is φ = 1323480.

The previous prime is 2646937. The next prime is 2646967. The reversal of 2646964 is 4696462.

2646964 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 824464 = 1350^2 + 908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330867 + ... + 330874.

2^2646964 is an apocalyptic number.

It is an amenable number.

2646964 is a deficient number, since it is larger than the sum of its proper divisors (1985230).

2646964 is a wasteful number, since it uses less digits than its factorization.

2646964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661745 (or 661743 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 2646964 is about 1626.9492923874. The cubic root of 2646964 is about 138.3298836255.

The spelling of 2646964 in words is "two million, six hundred forty-six thousand, nine hundred sixty-four".