494906728 has 16 divisors (see below), whose sum is σ = 934097760. Its totient is φ = 245814000.

The previous prime is 494906693. The next prime is 494906729. The reversal of 494906728 is 827609494.

It is not an unprimeable number, because it can be changed into a prime (494906729) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 203638 + ... + 206053.

It is an arithmetic number, because the mean of its divisors is an integer number (58381110).

Almost surely, 2^494906728 is an apocalyptic number.

It is an amenable number.

494906728 is a deficient number, since it is larger than the sum of its proper divisors (439191032).

494906728 is a wasteful number, since it uses less digits than its factorization.

494906728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409848 (or 409844 counting only the distinct ones).

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

The square root of 494906728 is about 22246.4992302160. The cubic root of 494906728 is about 790.9963010797.

The spelling of 494906728 in words is "four hundred ninety-four million, nine hundred six thousand, seven hundred twenty-eight".