493841906 has 8 divisors (see below), whose sum is σ = 740887020. Its totient is φ = 246879568.

The previous prime is 493841903. The next prime is 493841911. The reversal of 493841906 is 609148394.

It can be written as a sum of positive squares in 2 ways, for example, as 376010881 + 117831025 = 19391^2 + 10855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (493841903) 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, 2621 + ... + 31536.

Almost surely, 2^493841906 is an apocalyptic number.

493841906 is a deficient number, since it is larger than the sum of its proper divisors (247045114).

493841906 is a wasteful number, since it uses less digits than its factorization.

493841906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41388.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 493841906 is about 22222.5539936345. The cubic root of 493841906 is about 790.4286014816.

The spelling of 493841906 in words is "four hundred ninety-three million, eight hundred forty-one thousand, nine hundred six".