3240856 has 16 divisors (see below), whose sum is σ = 6111000. Its totient is φ = 1611264.

The previous prime is 3240851. The next prime is 3240877. The reversal of 3240856 is 6580423.

3240856 is nontrivially palindromic in base 7.

3240856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3240856² = 21006295225472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495 + ... + 2593.

Almost surely, 2^3240856 is an apocalyptic number.

It is an amenable number.

3240856 is a deficient number, since it is larger than the sum of its proper divisors (2870144).

3240856 is a wasteful number, since it uses less digits than its factorization.

3240856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298 (or 2294 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3240856 is about 1800.2377620748. The cubic root of 3240856 is about 147.9857546552.

It can be divided in two parts, 3240 and 856, that added together give a 12-th power (4096 = 2¹²).

The spelling of 3240856 in words is "three million, two hundred forty thousand, eight hundred fifty-six".