494081 has 4 divisors (see below), whose sum is σ = 564672. Its totient is φ = 423492.

The previous prime is 494077. The next prime is 494083. The reversal of 494081 is 180494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180494 = 2 ⋅90247.

It is a cyclic number.

It is not a de Polignac number, because 494081 - 2² = 494077 is a prime.

It is a super-2 number, since 2×494081² = 488232069122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494081.

It is not an unprimeable number, because it can be changed into a prime (494083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35285 + ... + 35298.

It is an arithmetic number, because the mean of its divisors is an integer number (141168).

2⁴⁹⁴⁰⁸¹ is an apocalyptic number.

It is an amenable number.

494081 is a deficient number, since it is larger than the sum of its proper divisors (70591).

494081 is an equidigital number, since it uses as much as digits as its factorization.

494081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70590.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 494081 is about 702.9089556977. The cubic root of 494081 is about 79.0556143139.

The spelling of 494081 in words is "four hundred ninety-four thousand, eighty-one".