494183947 has 16 divisors (see below), whose sum is σ = 515450880. Its totient is φ = 473428800.

The previous prime is 494183933. The next prime is 494183953. The reversal of 494183947 is 749381494.

It is a cyclic number.

It is not a de Polignac number, because 494183947 - 2¹¹ = 494181899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494183947.

It is not an unprimeable number, because it can be changed into a prime (494183147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877488 + ... + 878050.

It is an arithmetic number, because the mean of its divisors is an integer number (32215680).

Almost surely, 2^494183947 is an apocalyptic number.

494183947 is a deficient number, since it is larger than the sum of its proper divisors (21266933).

494183947 is a wasteful number, since it uses less digits than its factorization.

494183947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its digits is 870912, while the sum is 49.

The square root of 494183947 is about 22230.2484691467. The cubic root of 494183947 is about 790.6110462357.

It can be divided in two parts, 4941 and 83947, that added together give a palindrome (88888).

The spelling of 494183947 in words is "four hundred ninety-four million, one hundred eighty-three thousand, nine hundred forty-seven".