493888394 has 16 divisors (see below), whose sum is σ = 780319680. Its totient is φ = 233798400.

The previous prime is 493888393. The next prime is 493888427.

It is a happy number.

493888394 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (493888393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77219 + ... + 83369.

It is an arithmetic number, because the mean of its divisors is an integer number (48769980).

Almost surely, 2^493888394 is an apocalyptic number.

493888394 is a deficient number, since it is larger than the sum of its proper divisors (286431286).

493888394 is a wasteful number, since it uses less digits than its factorization.

493888394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8285.

The product of its digits is 5971968, while the sum is 56.

The square root of 493888394 is about 22223.5999334041. The cubic root of 493888394 is about 790.4534031381.

The spelling of 493888394 in words is "four hundred ninety-three million, eight hundred eighty-eight thousand, three hundred ninety-four".