506494 has 4 divisors (see below), whose sum is σ = 759744. Its totient is φ = 253246.

The previous prime is 506491. The next prime is 506501. The reversal of 506494 is 494605.

506494 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126622 + ... + 126625.

It is an arithmetic number, because the mean of its divisors is an integer number (189936).

2⁵⁰⁶⁴⁹⁴ is an apocalyptic number.

506494 is a deficient number, since it is larger than the sum of its proper divisors (253250).

506494 is a wasteful number, since it uses less digits than its factorization.

506494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253249.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 506494 is about 711.6839186043. The cubic root of 506494 is about 79.7121950119.

It can be divided in two parts, 50649 and 4, that added together give a cube (50653 = 37³).

The spelling of 506494 in words is "five hundred six thousand, four hundred ninety-four".