2656349 has 8 divisors (see below), whose sum is σ = 2764608. Its totient is φ = 2550240.

The previous prime is 2656337. The next prime is 2656351. The reversal of 2656349 is 9436562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2656349 - 2²⁰ = 1607773 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6² + 5 + 6⁵ + 3⁹ + 4⁴ + 9⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2264 + ... + 3230.

It is an arithmetic number, because the mean of its divisors is an integer number (345576).

2^2656349 is an apocalyptic number.

It is an amenable number.

2656349 is a deficient number, since it is larger than the sum of its proper divisors (108259).

2656349 is an equidigital number, since it uses as much as digits as its factorization.

2656349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075.

The product of its digits is 38880, while the sum is 35.

The square root of 2656349 is about 1629.8309728312. The cubic root of 2656349 is about 138.4931769502.

The spelling of 2656349 in words is "two million, six hundred fifty-six thousand, three hundred forty-nine".