3257855 has 8 divisors (see below), whose sum is σ = 3919200. Its totient is φ = 2599776.

The previous prime is 3257851. The next prime is 3257861. The reversal of 3257855 is 5587523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3257855 - 2² = 3257851 is a prime.

It is a super-2 number, since 2×3257855² = 21227238402050, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3257851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3086 + ... + 4004.

It is an arithmetic number, because the mean of its divisors is an integer number (489900).

Almost surely, 2^3257855 is an apocalyptic number.

3257855 is a deficient number, since it is larger than the sum of its proper divisors (661345).

3257855 is an equidigital number, since it uses as much as digits as its factorization.

3257855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633.

The product of its digits is 42000, while the sum is 35.

The square root of 3257855 is about 1804.9529079729. The cubic root of 3257855 is about 148.2440428263.

The spelling of 3257855 in words is "three million, two hundred fifty-seven thousand, eight hundred fifty-five".