3214891 has 2 divisors, whose sum is σ = 3214892. Its totient is φ = 3214890.

The previous prime is 3214879. The next prime is 3214901. The reversal of 3214891 is 1984123.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1984123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3214891 - 2⁷ = 3214763 is a prime.

It is not a weakly prime, because it can be changed into another prime (3214811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607445 + 1607446.

It is an arithmetic number, because the mean of its divisors is an integer number (1607446).

Almost surely, 2^3214891 is an apocalyptic number.

3214891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3214891 is an equidigital number, since it uses as much as digits as its factorization.

3214891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 3214891 is about 1793.0117121759. The cubic root of 3214891 is about 147.5894851047.

The spelling of 3214891 in words is "three million, two hundred fourteen thousand, eight hundred ninety-one".