3391881 has 4 divisors (see below), whose sum is σ = 4522512. Its totient is φ = 2261252.

The previous prime is 3391877. The next prime is 3391897. The reversal of 3391881 is 1881933.

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 a cyclic number.

It is not a de Polignac number, because 3391881 - 2² = 3391877 is a prime.

It is a super-2 number, since 2×3391881² = 23009713436322, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3391831) 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, 565311 + ... + 565316.

It is an arithmetic number, because the mean of its divisors is an integer number (1130628).

Almost surely, 2^3391881 is an apocalyptic number.

It is an amenable number.

3391881 is a deficient number, since it is larger than the sum of its proper divisors (1130631).

3391881 is a wasteful number, since it uses less digits than its factorization.

3391881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130630.

The product of its digits is 5184, while the sum is 33.

The square root of 3391881 is about 1841.7060025965. The cubic root of 3391881 is about 150.2496730807.

The spelling of 3391881 in words is "three million, three hundred ninety-one thousand, eight hundred eighty-one".