3255647 has 4 divisors (see below), whose sum is σ = 3273816. Its totient is φ = 3237480.

The previous prime is 3255641. The next prime is 3255649. The reversal of 3255647 is 7465523.

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

It is a cyclic number.

It is not a de Polignac number, because 3255647 - 2⁶ = 3255583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3255641) 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, 8813 + ... + 9174.

It is an arithmetic number, because the mean of its divisors is an integer number (818454).

Almost surely, 2^3255647 is an apocalyptic number.

3255647 is a deficient number, since it is larger than the sum of its proper divisors (18169).

3255647 is a wasteful number, since it uses less digits than its factorization.

3255647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18168.

The product of its digits is 25200, while the sum is 32.

The square root of 3255647 is about 1804.3411539950. The cubic root of 3255647 is about 148.2105446277.

It can be divided in two parts, 3 and 255647, that multiplied together give a triangular number (766941 = T₁₂₃₈).

The spelling of 3255647 in words is "three million, two hundred fifty-five thousand, six hundred forty-seven".