494806506 has 32 divisors (see below), whose sum is σ = 1021144320. Its totient is φ = 159753216.

The previous prime is 494806451. The next prime is 494806511. The reversal of 494806506 is 605608494.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18310 + ... + 36398.

It is an arithmetic number, because the mean of its divisors is an integer number (31910760).

Almost surely, 2^494806506 is an apocalyptic number.

494806506 is an abundant number, since it is smaller than the sum of its proper divisors (526337814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494806506 is a wasteful number, since it uses less digits than its factorization.

494806506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18238.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 494806506 is about 22244.2465819816. The cubic root of 494806506 is about 790.9429034200.

The spelling of 494806506 in words is "four hundred ninety-four million, eight hundred six thousand, five hundred six".