494490684 has 12 divisors (see below), whose sum is σ = 1153811624. Its totient is φ = 164830224.

The previous prime is 494490683. The next prime is 494490691. The reversal of 494490684 is 486094494.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494490683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20603767 + ... + 20603790.

Almost surely, 2^494490684 is an apocalyptic number.

It is an amenable number.

494490684 is an abundant number, since it is smaller than the sum of its proper divisors (659320940).

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

494490684 is a wasteful number, since it uses less digits than its factorization.

494490684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41207564 (or 41207562 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 494490684 is about 22237.1464896016. The cubic root of 494490684 is about 790.7745882424.

The spelling of 494490684 in words is "four hundred ninety-four million, four hundred ninety thousand, six hundred eighty-four".