494971386 has 32 divisors (see below), whose sum is σ = 1218392448. Its totient is φ = 130541760.

The previous prime is 494971357. The next prime is 494971397. The reversal of 494971386 is 683179494.

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, 452725 + ... + 453816.

It is an arithmetic number, because the mean of its divisors is an integer number (38074764).

Almost surely, 2^494971386 is an apocalyptic number.

494971386 is an abundant number, since it is smaller than the sum of its proper divisors (723421062).

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

494971386 is a wasteful number, since it uses less digits than its factorization.

494971386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906566.

The product of its digits is 1306368, while the sum is 51.

The square root of 494971386 is about 22247.9524001648. The cubic root of 494971386 is about 791.0307466353.

The spelling of 494971386 in words is "four hundred ninety-four million, nine hundred seventy-one thousand, three hundred eighty-six".