494993 has 4 divisors (see below), whose sum is σ = 507108. Its totient is φ = 482880.

The previous prime is 494987. The next prime is 495017. The reversal of 494993 is 399494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16129 + 478864 = 127^2 + 692^2 .

It is a cyclic number.

It is not a de Polignac number, because 494993 - 2⁸ = 494737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494903) 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, 5996 + ... + 6077.

It is an arithmetic number, because the mean of its divisors is an integer number (126777).

2⁴⁹⁴⁹⁹³ is an apocalyptic number.

It is an amenable number.

494993 is a deficient number, since it is larger than the sum of its proper divisors (12115).

494993 is a wasteful number, since it uses less digits than its factorization.

494993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12114.

The product of its digits is 34992, while the sum is 38.

The square root of 494993 is about 703.5573892725. The cubic root of 494993 is about 79.1042260493.

The spelling of 494993 in words is "four hundred ninety-four thousand, nine hundred ninety-three".