494903 has 2 divisors, whose sum is σ = 494904. Its totient is φ = 494902.

The previous prime is 494899. The next prime is 494917. The reversal of 494903 is 309494.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494903 - 2² = 494899 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247451 + 247452.

It is an arithmetic number, because the mean of its divisors is an integer number (247452).

2⁴⁹⁴⁹⁰³ is an apocalyptic number.

494903 is a deficient number, since it is larger than the sum of its proper divisors (1).

494903 is an equidigital number, since it uses as much as digits as its factorization.

494903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 494903 is about 703.4934256978. The cubic root of 494903 is about 79.0994314954.

The spelling of 494903 in words is "four hundred ninety-four thousand, nine hundred three".