494199128 has 8 divisors (see below), whose sum is σ = 926623380. Its totient is φ = 247099560.

The previous prime is 494199127. The next prime is 494199151. The reversal of 494199128 is 821991494.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494199127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30887438 + ... + 30887453.

Almost surely, 2^494199128 is an apocalyptic number.

It is an amenable number.

494199128 is a deficient number, since it is larger than the sum of its proper divisors (432424252).

494199128 is a wasteful number, since it uses less digits than its factorization.

494199128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61774897 (or 61774893 counting only the distinct ones).

The product of its digits is 186624, while the sum is 47.

The square root of 494199128 is about 22230.5899156995. The cubic root of 494199128 is about 790.6191418335.

The spelling of 494199128 in words is "four hundred ninety-four million, one hundred ninety-nine thousand, one hundred twenty-eight".