494402 has 4 divisors (see below), whose sum is σ = 741606. Its totient is φ = 247200.

The previous prime is 494387. The next prime is 494407. The reversal of 494402 is 204494.

Added to its reverse (204494) it gives a square (698896 = 836²).

It is a happy number.

494402 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 can be written as a sum of positive squares in only one way, i.e., 410881 + 83521 = 641^2 + 289^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494402.

It is not an unprimeable number, because it can be changed into a prime (494407) by changing a digit.

494402 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123599 + ... + 123602.

2⁴⁹⁴⁴⁰² is an apocalyptic number.

494402 is a deficient number, since it is larger than the sum of its proper divisors (247204).

494402 is a wasteful number, since it uses less digits than its factorization.

494402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247203.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 494402 is about 703.1372554487. The cubic root of 494402 is about 79.0727311823.

Adding to 494402 its reverse (204494), we get a palindrome (698896).

The spelling of 494402 in words is "four hundred ninety-four thousand, four hundred two".