3271881 has 4 divisors (see below), whose sum is σ = 4362512. Its totient is φ = 2181252.

The previous prime is 3271861. The next prime is 3271883. The reversal of 3271881 is 1881723.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3271881 - 2⁶ = 3271817 is a prime.

It is a super-2 number, since 2×3271881² = 21410410556322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3271883) 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, 545311 + ... + 545316.

It is an arithmetic number, because the mean of its divisors is an integer number (1090628).

Almost surely, 2^3271881 is an apocalyptic number.

It is an amenable number.

3271881 is a deficient number, since it is larger than the sum of its proper divisors (1090631).

3271881 is a wasteful number, since it uses less digits than its factorization.

3271881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090630.

The product of its digits is 2688, while the sum is 30.

The square root of 3271881 is about 1808.8341549186. The cubic root of 3271881 is about 148.4564826176.

The spelling of 3271881 in words is "three million, two hundred seventy-one thousand, eight hundred eighty-one".