494618972 has 12 divisors (see below), whose sum is σ = 866128536. Its totient is φ = 247153680.

The previous prime is 494618959. The next prime is 494618977. The reversal of 494618972 is 279816494.

It is a self number, because there is not a number n which added to its sum of digits gives 494618972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494618977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31658 + ... + 44625.

It is an arithmetic number, because the mean of its divisors is an integer number (72177378).

Almost surely, 2^494618972 is an apocalyptic number.

It is an amenable number.

494618972 is a deficient number, since it is larger than the sum of its proper divisors (371509564).

494618972 is a wasteful number, since it uses less digits than its factorization.

494618972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77908 (or 77906 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 494618972 is about 22240.0308453024. The cubic root of 494618972 is about 790.8429670963.

The spelling of 494618972 in words is "four hundred ninety-four million, six hundred eighteen thousand, nine hundred seventy-two".