3255861 has 16 divisors (see below), whose sum is σ = 4990464. Its totient is φ = 1849584.

The previous prime is 3255853. The next prime is 3255871. The reversal of 3255861 is 1685523.

3255861 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3255861 - 2³ = 3255853 is a prime.

3255861 is strictly pandigital in base 8.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3255871) 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, 4426 + ... + 5108.

It is an arithmetic number, because the mean of its divisors is an integer number (311904).

Almost surely, 2^3255861 is an apocalyptic number.

It is an amenable number.

3255861 is a deficient number, since it is larger than the sum of its proper divisors (1734603).

3255861 is a wasteful number, since it uses less digits than its factorization.

3255861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920.

The product of its digits is 7200, while the sum is 30.

The square root of 3255861 is about 1804.4004544446. The cubic root of 3255861 is about 148.2137919455.

The spelling of 3255861 in words is "three million, two hundred fifty-five thousand, eight hundred sixty-one".