3212256 has 24 divisors (see below), whose sum is σ = 8432424. Its totient is φ = 1070720.

The previous prime is 3212233. The next prime is 3212257. The reversal of 3212256 is 6522123.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16635 + ... + 16826.

It is an arithmetic number, because the mean of its divisors is an integer number (351351).

Almost surely, 2^3212256 is an apocalyptic number.

It is an amenable number.

3212256 is an abundant number, since it is smaller than the sum of its proper divisors (5220168).

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

3212256 is a wasteful number, since it uses less digits than its factorization.

3212256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33474 (or 33466 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 3212256 is about 1792.2767643419. The cubic root of 3212256 is about 147.5491514831.

Adding to 3212256 its reverse (6522123), we get a palindrome (9734379).

The spelling of 3212256 in words is "three million, two hundred twelve thousand, two hundred fifty-six".