494997 has 4 divisors (see below), whose sum is σ = 660000. Its totient is φ = 329996.

The previous prime is 494987. The next prime is 495017. The reversal of 494997 is 799494.

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 494997 - 2⁶ = 494933 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494997.

It is not an unprimeable number, because it can be changed into a prime (494917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82497 + ... + 82502.

It is an arithmetic number, because the mean of its divisors is an integer number (165000).

2⁴⁹⁴⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

494997 is a deficient number, since it is larger than the sum of its proper divisors (165003).

494997 is a wasteful number, since it uses less digits than its factorization.

494997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165002.

The product of its digits is 81648, while the sum is 42.

The square root of 494997 is about 703.5602319631. The cubic root of 494997 is about 79.1044391271.

The spelling of 494997 in words is "four hundred ninety-four thousand, nine hundred ninety-seven".