3256443 has 16 divisors (see below), whose sum is σ = 4887200. Its totient is φ = 2169504.

The previous prime is 3256441. The next prime is 3256453. The reversal of 3256443 is 3446523.

It is not a de Polignac number, because 3256443 - 2¹ = 3256441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

3256443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3256441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (305450).

Almost surely, 2^3256443 is an apocalyptic number.

3256443 is a deficient number, since it is larger than the sum of its proper divisors (1630757).

3256443 is an frugal number, since it uses more digits than its factorization.

3256443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1492 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 3256443 is about 1804.5617196428. The cubic root of 3256443 is about 148.2226227164. Note that the first 3 decimals are identical.

The spelling of 3256443 in words is "three million, two hundred fifty-six thousand, four hundred forty-three".