494328636 has 48 divisors (see below), whose sum is σ = 1312862880. Its totient is φ = 160755840.

The previous prime is 494328623. The next prime is 494328647. The reversal of 494328636 is 636823494.

494328636 is a `hidden beast` number, since 4 + 9 + 4 + 3 + 2 + 8 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 494328591 and 494328600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51391 + ... + 60246.

It is an arithmetic number, because the mean of its divisors is an integer number (27351310).

Almost surely, 2^494328636 is an apocalyptic number.

It is an amenable number.

494328636 is an abundant number, since it is smaller than the sum of its proper divisors (818534244).

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

494328636 is a wasteful number, since it uses less digits than its factorization.

494328636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111691 (or 111683 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 494328636 is about 22233.5025580766. The cubic root of 494328636 is about 790.6881980467.

The spelling of 494328636 in words is "four hundred ninety-four million, three hundred twenty-eight thousand, six hundred thirty-six".