493634906 has 16 divisors (see below), whose sum is σ = 753445800. Its totient is φ = 242512128.

The previous prime is 493634893. The next prime is 493634941. The reversal of 493634906 is 609436394.

It can be written as a sum of positive squares in 4 ways, for example, as 457574881 + 36060025 = 21391^2 + 6005^2 .

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, 32990 + ... + 45558.

Almost surely, 2^493634906 is an apocalyptic number.

493634906 is a deficient number, since it is larger than the sum of its proper divisors (259810894).

493634906 is a wasteful number, since it uses less digits than its factorization.

493634906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12913.

The product of its (nonzero) digits is 419904, while the sum is 44.

The square root of 493634906 is about 22217.8960750112. The cubic root of 493634906 is about 790.3181467087.

The spelling of 493634906 in words is "four hundred ninety-three million, six hundred thirty-four thousand, nine hundred six".