494289238 has 4 divisors (see below), whose sum is σ = 741433860. Its totient is φ = 247144618.

The previous prime is 494289221. The next prime is 494289241. The reversal of 494289238 is 832982494.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 494289191 and 494289200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123572308 + ... + 123572311.

It is an arithmetic number, because the mean of its divisors is an integer number (185358465).

Almost surely, 2^494289238 is an apocalyptic number.

494289238 is a deficient number, since it is larger than the sum of its proper divisors (247144622).

494289238 is a wasteful number, since it uses less digits than its factorization.

494289238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247144621.

The product of its digits is 995328, while the sum is 49.

The square root of 494289238 is about 22232.6165351719. The cubic root of 494289238 is about 790.6671915347.

The spelling of 494289238 in words is "four hundred ninety-four million, two hundred eighty-nine thousand, two hundred thirty-eight".