494855784 has 32 divisors (see below), whose sum is σ = 1374600000. Its totient is φ = 164951856.

The previous prime is 494855761. The next prime is 494855819. The reversal of 494855784 is 487558494.

It is a happy number.

494855784 is a `hidden beast` number, since 4 + 9 + 4 + 8 + 557 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 494855784.

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, 1145284 + ... + 1145715.

It is an arithmetic number, because the mean of its divisors is an integer number (42956250).

Almost surely, 2^494855784 is an apocalyptic number.

It is an amenable number.

494855784 is an abundant number, since it is smaller than the sum of its proper divisors (879744216).

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

494855784 is a wasteful number, since it uses less digits than its factorization.

494855784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291014 (or 2291004 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The square root of 494855784 is about 22245.3542116101. The cubic root of 494855784 is about 790.9691593336.

The spelling of 494855784 in words is "four hundred ninety-four million, eight hundred fifty-five thousand, seven hundred eighty-four".