494243994 has 16 divisors (see below), whose sum is σ = 988872480. Its totient is φ = 164683920.

The previous prime is 494243977. The next prime is 494244019. The reversal of 494243994 is 499342494.

It is a happy number.

It is a Curzon number.

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, 2304 + ... + 31524.

It is an arithmetic number, because the mean of its divisors is an integer number (61804530).

Almost surely, 2^494243994 is an apocalyptic number.

494243994 is an abundant number, since it is smaller than the sum of its proper divisors (494628486).

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

494243994 is a wasteful number, since it uses less digits than its factorization.

494243994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32045.

The product of its digits is 1119744, while the sum is 48.

The square root of 494243994 is about 22231.5989978229. The cubic root of 494243994 is about 790.6430666329.

The spelling of 494243994 in words is "four hundred ninety-four million, two hundred forty-three thousand, nine hundred ninety-four".