491386 has 8 divisors (see below), whose sum is σ = 842400. Its totient is φ = 210588.

The previous prime is 491377. The next prime is 491417. The reversal of 491386 is 683194.

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

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17536 + ... + 17563.

It is an arithmetic number, because the mean of its divisors is an integer number (105300).

2⁴⁹¹³⁸⁶ is an apocalyptic number.

491386 is a deficient number, since it is larger than the sum of its proper divisors (351014).

491386 is a wasteful number, since it uses less digits than its factorization.

491386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35108.

The product of its digits is 5184, while the sum is 31.

The square root of 491386 is about 700.9893009169. The cubic root of 491386 is about 78.9116140163.

The spelling of 491386 in words is "four hundred ninety-one thousand, three hundred eighty-six".