2694656 has 40 divisors (see below), whose sum is σ = 5687880. Its totient is φ = 1271808.

The previous prime is 2694647. The next prime is 2694661. The reversal of 2694656 is 6564962.

It is a super-2 number, since 2×2694656² = 14522341916672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9590 + ... + 9866.

It is an arithmetic number, because the mean of its divisors is an integer number (142197).

2^2694656 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 2694656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2843940).

2694656 is an abundant number, since it is smaller than the sum of its proper divisors (2993224).

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

2694656 is an equidigital number, since it uses as much as digits as its factorization.

2694656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 298 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 2694656 is about 1641.5407396711. The cubic root of 2694656 is about 139.1557352540.

The spelling of 2694656 in words is "two million, six hundred ninety-four thousand, six hundred fifty-six".