334491 has 4 divisors (see below), whose sum is σ = 445992. Its totient is φ = 222992.

The previous prime is 334487. The next prime is 334493. The reversal of 334491 is 194433.

334491 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194433 = 3 ⋅64811.

It is a cyclic number.

It is not a de Polignac number, because 334491 - 2² = 334487 is a prime.

It is a super-2 number, since 2×334491² = 223768458162, which contains 22 as substring.

It is a D-number.

334491 is a lucky number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (334493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55746 + ... + 55751.

It is an arithmetic number, because the mean of its divisors is an integer number (111498).

2³³⁴⁴⁹¹ is an apocalyptic number.

334491 is a deficient number, since it is larger than the sum of its proper divisors (111501).

334491 is a wasteful number, since it uses less digits than its factorization.

334491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111500.

The product of its digits is 1296, while the sum is 24.

The square root of 334491 is about 578.3519689601. The cubic root of 334491 is about 69.4163028137.

The spelling of 334491 in words is "three hundred thirty-four thousand, four hundred ninety-one".