491146 has 8 divisors (see below), whose sum is σ = 753984. Its totient is φ = 239820.

The previous prime is 491137. The next prime is 491149. The reversal of 491146 is 641194.

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

It is a self number, because there is not a number n which added to its sum of digits gives 491146.

It is not an unprimeable number, because it can be changed into a prime (491149) 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, 2770 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (94248).

2⁴⁹¹¹⁴⁶ is an apocalyptic number.

491146 is a deficient number, since it is larger than the sum of its proper divisors (262838).

491146 is a wasteful number, since it uses less digits than its factorization.

491146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756.

The product of its digits is 864, while the sum is 25.

The square root of 491146 is about 700.8180933737. The cubic root of 491146 is about 78.8987647345.

The spelling of 491146 in words is "four hundred ninety-one thousand, one hundred forty-six".