2656286 has 4 divisors (see below), whose sum is σ = 3984432. Its totient is φ = 1328142.

The previous prime is 2656273. The next prime is 2656289. The reversal of 2656286 is 6826562.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664070 + ... + 664073.

It is an arithmetic number, because the mean of its divisors is an integer number (996108).

2^2656286 is an apocalyptic number.

2656286 is a deficient number, since it is larger than the sum of its proper divisors (1328146).

2656286 is a wasteful number, since it uses less digits than its factorization.

2656286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328145.

The product of its digits is 34560, while the sum is 35.

The square root of 2656286 is about 1629.8116455591. The cubic root of 2656286 is about 138.4920820716.

The spelling of 2656286 in words is "two million, six hundred fifty-six thousand, two hundred eighty-six".