494881 has 4 divisors (see below), whose sum is σ = 497664. Its totient is φ = 492100.

The previous prime is 494873. The next prime is 494899. The reversal of 494881 is 188494.

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.

It is a cyclic number.

It is not a de Polignac number, because 494881 - 2³ = 494873 is a prime.

It is a super-2 number, since 2×494881² = 489814408322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494281) 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, 1105 + ... + 1486.

It is an arithmetic number, because the mean of its divisors is an integer number (124416).

2⁴⁹⁴⁸⁸¹ is an apocalyptic number.

It is an amenable number.

494881 is a deficient number, since it is larger than the sum of its proper divisors (2783).

494881 is a wasteful number, since it uses less digits than its factorization.

494881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782.

The product of its digits is 9216, while the sum is 34.

The square root of 494881 is about 703.4777892727. The cubic root of 494881 is about 79.0982594049.

The spelling of 494881 in words is "four hundred ninety-four thousand, eight hundred eighty-one".