3170881 has 4 divisors (see below), whose sum is σ = 3623872. Its totient is φ = 2717892.

The previous prime is 3170879. The next prime is 3170887. The reversal of 3170881 is 1880713.

3170881 = 254² + 255² + ... + 295².

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, and also an emirpimes, since its reverse is a distinct semiprime: 1880713 = 263 ⋅7151.

It is a cyclic number.

It is not a de Polignac number, because 3170881 - 2¹ = 3170879 is a prime.

It is a super-2 number, since 2×3170881² = 20108972632322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3170887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226485 + ... + 226498.

It is an arithmetic number, because the mean of its divisors is an integer number (905968).

Almost surely, 2^3170881 is an apocalyptic number.

It is an amenable number.

3170881 is a deficient number, since it is larger than the sum of its proper divisors (452991).

3170881 is an equidigital number, since it uses as much as digits as its factorization.

3170881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452990.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 3170881 is about 1780.6967737377. The cubic root of 3170881 is about 146.9129167838.

The spelling of 3170881 in words is "three million, one hundred seventy thousand, eight hundred eighty-one".