494091 has 24 divisors (see below), whose sum is σ = 794976. Its totient is φ = 293760.

The previous prime is 494083. The next prime is 494093. The reversal of 494091 is 190494.

It is not a de Polignac number, because 494091 - 2³ = 494083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4746 + ... + 4848.

It is an arithmetic number, because the mean of its divisors is an integer number (33124).

2⁴⁹⁴⁰⁹¹ is an apocalyptic number.

494091 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

494091 is a deficient number, since it is larger than the sum of its proper divisors (300885).

494091 is a wasteful number, since it uses less digits than its factorization.

494091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 494091 is about 702.9160689584. The cubic root of 494091 is about 79.0561476615.

The spelling of 494091 in words is "four hundred ninety-four thousand, ninety-one".