3214691 has 2 divisors, whose sum is σ = 3214692. Its totient is φ = 3214690.

The previous prime is 3214681. The next prime is 3214693. The reversal of 3214691 is 1964123.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3214691 is a prime.

Together with 3214693, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3214691.

It is not a weakly prime, because it can be changed into another prime (3214693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607345 + 1607346.

It is an arithmetic number, because the mean of its divisors is an integer number (1607346).

Almost surely, 2^3214691 is an apocalyptic number.

3214691 is a deficient number, since it is larger than the sum of its proper divisors (1).

3214691 is an equidigital number, since it uses as much as digits as its factorization.

3214691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 3214691 is about 1792.9559392244. The cubic root of 3214691 is about 147.5864245023.

The spelling of 3214691 in words is "three million, two hundred fourteen thousand, six hundred ninety-one".