2656338 has 16 divisors (see below), whose sum is σ = 5334336. Its totient is φ = 881840.

The previous prime is 2656337. The next prime is 2656351. The reversal of 2656338 is 8336562.

It is a super-2 number, since 2×2656338² = 14112263140488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2656299 and 2656308.

It is not an unprimeable number, because it can be changed into a prime (2656337) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1003 + ... + 2513.

It is an arithmetic number, because the mean of its divisors is an integer number (333396).

2^2656338 is an apocalyptic number.

2656338 is an abundant number, since it is smaller than the sum of its proper divisors (2677998).

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

2656338 is a wasteful number, since it uses less digits than its factorization.

2656338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809.

The product of its digits is 25920, while the sum is 33.

The square root of 2656338 is about 1629.8275982447. The cubic root of 2656338 is about 138.4929857821.

The spelling of 2656338 in words is "two million, six hundred fifty-six thousand, three hundred thirty-eight".