2546656 has 24 divisors (see below), whose sum is σ = 5730480. Its totient is φ = 1091328.

The previous prime is 2546611. The next prime is 2546657. The reversal of 2546656 is 6566452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2546657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5461 + ... + 5908.

It is an arithmetic number, because the mean of its divisors is an integer number (238770).

2^2546656 is an apocalyptic number.

It is an amenable number.

2546656 is an abundant number, since it is smaller than the sum of its proper divisors (3183824).

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

2546656 is a wasteful number, since it uses less digits than its factorization.

2546656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11386 (or 11378 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 2546656 is about 1595.8245517600. The cubic root of 2546656 is about 136.5599748969.

It can be divided in two parts, 25 and 46656, that multiplied together give a square (1166400 = 1080²).

The spelling of 2546656 in words is "two million, five hundred forty-six thousand, six hundred fifty-six".