494739 has 12 divisors (see below), whose sum is σ = 816816. Its totient is φ = 282672.

The previous prime is 494737. The next prime is 494743. The reversal of 494739 is 937494.

It is not a de Polignac number, because 494739 - 2¹ = 494737 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494739.

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 in 11 ways as a sum of consecutive naturals, for example, 3864 + ... + 3989.

It is an arithmetic number, because the mean of its divisors is an integer number (68068).

2⁴⁹⁴⁷³⁹ is an apocalyptic number.

494739 is a deficient number, since it is larger than the sum of its proper divisors (322077).

494739 is a wasteful number, since it uses less digits than its factorization.

494739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7866 (or 7863 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 494739 is about 703.3768548936. The cubic root of 494739 is about 79.0906932578.

The spelling of 494739 in words is "four hundred ninety-four thousand, seven hundred thirty-nine".