3190881 has 4 divisors (see below), whose sum is σ = 4254512. Its totient is φ = 2127252.

The previous prime is 3190871. The next prime is 3190909. The reversal of 3190881 is 1880913.

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 3190881 - 2⁷ = 3190753 is a prime.

It is a super-2 number, since 2×3190881² = 20363443112322, 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 (3190871) 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, 531811 + ... + 531816.

It is an arithmetic number, because the mean of its divisors is an integer number (1063628).

Almost surely, 2^3190881 is an apocalyptic number.

It is an amenable number.

3190881 is a deficient number, since it is larger than the sum of its proper divisors (1063631).

3190881 is a wasteful number, since it uses less digits than its factorization.

3190881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063630.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 3190881 is about 1786.3037255741. The cubic root of 3190881 is about 147.2211489235.

The spelling of 3190881 in words is "three million, one hundred ninety thousand, eight hundred eighty-one".