334891 has 2 divisors, whose sum is σ = 334892. Its totient is φ = 334890.

The previous prime is 334889. The next prime is 334897. The reversal of 334891 is 198433.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 334891 - 2¹ = 334889 is a prime.

It is a super-2 number, since 2×334891² = 224303963762, which contains 22 as substring.

Together with 334889, it forms a pair of twin primes.

334891 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (334897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167445 + 167446.

It is an arithmetic number, because the mean of its divisors is an integer number (167446).

2³³⁴⁸⁹¹ is an apocalyptic number.

334891 is a deficient number, since it is larger than the sum of its proper divisors (1).

334891 is an equidigital number, since it uses as much as digits as its factorization.

334891 is an odious number, because the sum of its binary digits is odd.

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

The square root of 334891 is about 578.6976758205. The cubic root of 334891 is about 69.4439622129.

It can be divided in two parts, 334 and 891, that added together give a triangular number (1225 = T₄₉).

The spelling of 334891 in words is "three hundred thirty-four thousand, eight hundred ninety-one".