494738 has 4 divisors (see below), whose sum is σ = 742110. Its totient is φ = 247368.

The previous prime is 494737. The next prime is 494743. The reversal of 494738 is 837494.

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

It can be written as a sum of positive squares in only one way, i.e., 494209 + 529 = 703^2 + 23^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 494698 and 494707.

It is not an unprimeable number, because it can be changed into a prime (494731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123683 + ... + 123686.

2⁴⁹⁴⁷³⁸ is an apocalyptic number.

494738 is a deficient number, since it is larger than the sum of its proper divisors (247372).

494738 is a wasteful number, since it uses less digits than its factorization.

494738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247371.

The product of its digits is 24192, while the sum is 35.

The square root of 494738 is about 703.3761440367. The cubic root of 494738 is about 79.0906399699.

The spelling of 494738 in words is "four hundred ninety-four thousand, seven hundred thirty-eight".