2556376 has 8 divisors (see below), whose sum is σ = 4793220. Its totient is φ = 1278184.

The previous prime is 2556373. The next prime is 2556397. The reversal of 2556376 is 6736552.

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁷ + 5⁹ + 6² + 3⁵ + 7³ + 6³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159766 + ... + 159781.

2^2556376 is an apocalyptic number.

It is an amenable number.

2556376 is a deficient number, since it is larger than the sum of its proper divisors (2236844).

2556376 is a wasteful number, since it uses less digits than its factorization.

2556376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319553 (or 319549 counting only the distinct ones).

The product of its digits is 37800, while the sum is 34.

The square root of 2556376 is about 1598.8670989172. The cubic root of 2556376 is about 136.7334936579.

The spelling of 2556376 in words is "two million, five hundred fifty-six thousand, three hundred seventy-six".