2649756 has 48 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 802560.

The previous prime is 2649733. The next prime is 2649769. The reversal of 2649756 is 6579462.

2649756 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 an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6115 + ... + 6533.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

2^2649756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2649756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386880).

2649756 is an abundant number, since it is smaller than the sum of its proper divisors (4124004).

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

2649756 is a wasteful number, since it uses less digits than its factorization.

2649756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 472 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 2649756 is about 1627.8071138805. The cubic root of 2649756 is about 138.3785030151.

The spelling of 2649756 in words is "two million, six hundred forty-nine thousand, seven hundred fifty-six".