494839858 has 16 divisors (see below), whose sum is σ = 755588736. Its totient is φ = 243011920.

The previous prime is 494839811. The next prime is 494839867. The reversal of 494839858 is 858938494.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20103 + ... + 37333.

It is an arithmetic number, because the mean of its divisors is an integer number (47224296).

Almost surely, 2^494839858 is an apocalyptic number.

494839858 is a deficient number, since it is larger than the sum of its proper divisors (260748878).

494839858 is a wasteful number, since it uses less digits than its factorization.

494839858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17489.

The product of its digits is 9953280, while the sum is 58.

The square root of 494839858 is about 22244.9962463472. The cubic root of 494839858 is about 790.9606739591.

The spelling of 494839858 in words is "four hundred ninety-four million, eight hundred thirty-nine thousand, eight hundred fifty-eight".