491734 has 8 divisors (see below), whose sum is σ = 751680. Its totient is φ = 241176.

The previous prime is 491731. The next prime is 491737. The reversal of 491734 is 437194.

491734 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (491731) and next prime (491737).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491731) 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, 2214 + ... + 2425.

It is an arithmetic number, because the mean of its divisors is an integer number (93960).

2⁴⁹¹⁷³⁴ is an apocalyptic number.

491734 is a deficient number, since it is larger than the sum of its proper divisors (259946).

491734 is a wasteful number, since it uses less digits than its factorization.

491734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694.

The product of its digits is 3024, while the sum is 28.

The square root of 491734 is about 701.2374776066. The cubic root of 491734 is about 78.9302380454.

It can be divided in two parts, 491 and 734, that added together give a triangular number (1225 = T₄₉).

The spelling of 491734 in words is "four hundred ninety-one thousand, seven hundred thirty-four".