494642 has 8 divisors (see below), whose sum is σ = 749100. Its totient is φ = 244944.

The previous prime is 494639. The next prime is 494647. The reversal of 494642 is 246494.

494642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 477481 + 17161 = 691^2 + 131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 917 + ... + 1352.

2⁴⁹⁴⁶⁴² is an apocalyptic number.

494642 is a deficient number, since it is larger than the sum of its proper divisors (254458).

494642 is a wasteful number, since it uses less digits than its factorization.

494642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380.

The product of its digits is 6912, while the sum is 29.

The square root of 494642 is about 703.3078984342. The cubic root of 494642 is about 79.0855240011.

The spelling of 494642 in words is "four hundred ninety-four thousand, six hundred forty-two".