3316891 has 4 divisors (see below), whose sum is σ = 3394072. Its totient is φ = 3239712.

The previous prime is 3316879. The next prime is 3316897. The reversal of 3316891 is 1986133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3316891 - 2²¹ = 1219739 is a prime.

It is a super-2 number, since 2×3316891² = 22003531811762, which contains 22 as substring.

It is a Duffinian number.

3316891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3316897) 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, 38526 + ... + 38611.

It is an arithmetic number, because the mean of its divisors is an integer number (848518).

Almost surely, 2^3316891 is an apocalyptic number.

3316891 is a deficient number, since it is larger than the sum of its proper divisors (77181).

3316891 is an equidigital number, since it uses as much as digits as its factorization.

3316891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77180.

The product of its digits is 3888, while the sum is 31.

The square root of 3316891 is about 1821.2333732940. The cubic root of 3316891 is about 149.1341374230.

The spelling of 3316891 in words is "three million, three hundred sixteen thousand, eight hundred ninety-one".