494894668 has 6 divisors (see below), whose sum is σ = 866065676. Its totient is φ = 247447332.

The previous prime is 494894663. The next prime is 494894677. The reversal of 494894668 is 866498494.

It is not an unprimeable number, because it can be changed into a prime (494894663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61861830 + ... + 61861837.

Almost surely, 2^494894668 is an apocalyptic number.

It is an amenable number.

494894668 is a deficient number, since it is larger than the sum of its proper divisors (371171008).

494894668 is a wasteful number, since it uses less digits than its factorization.

494894668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123723671 (or 123723669 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 58.

The square root of 494894668 is about 22246.2281746817. The cubic root of 494894668 is about 790.9898759681.

The spelling of 494894668 in words is "four hundred ninety-four million, eight hundred ninety-four thousand, six hundred sixty-eight".