493545394 has 16 divisors (see below), whose sum is σ = 785987928. Its totient is φ = 231628032.

The previous prime is 493545391. The next prime is 493545421.

493545394 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 401481369 + 92064025 = 20037^2 + 9595^2 .

It is not an unprimeable number, because it can be changed into a prime (493545391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6777 + ... + 32140.

Almost surely, 2^493545394 is an apocalyptic number.

493545394 is a deficient number, since it is larger than the sum of its proper divisors (292442534).

493545394 is a wasteful number, since it uses less digits than its factorization.

493545394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39309.

The product of its digits is 1166400, while the sum is 46.

The square root of 493545394 is about 22215.8815715245. The cubic root of 493545394 is about 790.2703737268.

The spelling of 493545394 in words is "four hundred ninety-three million, five hundred forty-five thousand, three hundred ninety-four".