2656494 has 12 divisors (see below), whose sum is σ = 5755776. Its totient is φ = 885492.

The previous prime is 2656457. The next prime is 2656499. The reversal of 2656494 is 4946562.

2656494 is a `hidden beast` number, since 2 + 6 + 5 + 649 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁵ + 5⁹ + 6⁶ + 4³ + 9⁵ + 4⁸ .

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656499) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73774 + ... + 73809.

It is an arithmetic number, because the mean of its divisors is an integer number (479648).

2^2656494 is an apocalyptic number.

2656494 is an abundant number, since it is smaller than the sum of its proper divisors (3099282).

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

2656494 is a wasteful number, since it uses less digits than its factorization.

2656494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147591 (or 147588 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2656494 is about 1629.8754553646. The cubic root of 2656494 is about 138.4956968431.

The spelling of 2656494 in words is "two million, six hundred fifty-six thousand, four hundred ninety-four".