494644 has 6 divisors (see below), whose sum is σ = 865634. Its totient is φ = 247320.

The previous prime is 494639. The next prime is 494647. The reversal of 494644 is 446494.

It can be written as a sum of positive squares in only one way, i.e., 324900 + 169744 = 570^2 + 412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61827 + ... + 61834.

2⁴⁹⁴⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

494644 is a deficient number, since it is larger than the sum of its proper divisors (370990).

494644 is a wasteful number, since it uses less digits than its factorization.

494644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123665 (or 123663 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 494644 is about 703.3093202852. The cubic root of 494644 is about 79.0856305905.

The spelling of 494644 in words is "four hundred ninety-four thousand, six hundred forty-four".