494138 has 4 divisors (see below), whose sum is σ = 741210. Its totient is φ = 247068.

The previous prime is 494129. The next prime is 494141. The reversal of 494138 is 831494.

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., 452929 + 41209 = 673^2 + 203^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 494138.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123533 + ... + 123536.

2⁴⁹⁴¹³⁸ is an apocalyptic number.

494138 is a deficient number, since it is larger than the sum of its proper divisors (247072).

494138 is a wasteful number, since it uses less digits than its factorization.

494138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247071.

The product of its digits is 3456, while the sum is 29.

The square root of 494138 is about 702.9495003199. The cubic root of 494138 is about 79.0586542990.

The spelling of 494138 in words is "four hundred ninety-four thousand, one hundred thirty-eight".