2656468 has 6 divisors (see below), whose sum is σ = 4648826. Its totient is φ = 1328232.

The previous prime is 2656457. The next prime is 2656499. The reversal of 2656468 is 8646562.

It can be written as a sum of positive squares in only one way, i.e., 2650384 + 6084 = 1628^2 + 78^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332055 + ... + 332062.

2^2656468 is an apocalyptic number.

It is an amenable number.

2656468 is a deficient number, since it is larger than the sum of its proper divisors (1992358).

2656468 is a wasteful number, since it uses less digits than its factorization.

2656468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664121 (or 664119 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 2656468 is about 1629.8674792755. The cubic root of 2656468 is about 138.4952450070.

The spelling of 2656468 in words is "two million, six hundred fifty-six thousand, four hundred sixty-eight".