3343891 has 2 divisors, whose sum is σ = 3343892. Its totient is φ = 3343890.

The previous prime is 3343889. The next prime is 3343897. The reversal of 3343891 is 1983433.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3343891 - 2¹ = 3343889 is a prime.

It is a super-2 number, since 2×3343891² = 22363214039762, which contains 22 as substring.

Together with 3343889, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3343897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1671945 + 1671946.

It is an arithmetic number, because the mean of its divisors is an integer number (1671946).

Almost surely, 2^3343891 is an apocalyptic number.

3343891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3343891 is an equidigital number, since it uses as much as digits as its factorization.

3343891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 3343891 is about 1828.6309086308. The cubic root of 3343891 is about 149.5377025971.

It can be divided in two parts, 334 and 3891, that added together give a square (4225 = 65²).

The spelling of 3343891 in words is "three million, three hundred forty-three thousand, eight hundred ninety-one".