491374 has 8 divisors (see below), whose sum is σ = 793800. Its totient is φ = 226776.

The previous prime is 491371. The next prime is 491377. The reversal of 491374 is 473194.

It is an interprime number because it is at equal distance from previous prime (491371) and next prime (491377).

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 (491371) 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, 9424 + ... + 9475.

It is an arithmetic number, because the mean of its divisors is an integer number (99225).

2⁴⁹¹³⁷⁴ is an apocalyptic number.

491374 is a deficient number, since it is larger than the sum of its proper divisors (302426).

491374 is a wasteful number, since it uses less digits than its factorization.

491374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18914.

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

The square root of 491374 is about 700.9807415329. The cubic root of 491374 is about 78.9109716516.

It can be divided in two parts, 49137 and 4, that added together give a triangular number (49141 = T₃₁₃).

The spelling of 491374 in words is "four hundred ninety-one thousand, three hundred seventy-four".