3043891 has 2 divisors, whose sum is σ = 3043892. Its totient is φ = 3043890.

The previous prime is 3043883. The next prime is 3043903. The reversal of 3043891 is 1983403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3043891 - 2³ = 3043883 is a prime.

It is a Chen prime.

3043891 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3043871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1521945 + 1521946.

It is an arithmetic number, because the mean of its divisors is an integer number (1521946).

Almost surely, 2^3043891 is an apocalyptic number.

3043891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3043891 is an equidigital number, since it uses as much as digits as its factorization.

3043891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3043891 is about 1744.6750413759. The cubic root of 3043891 is about 144.9249076102.

The spelling of 3043891 in words is "three million, forty-three thousand, eight hundred ninety-one".