493969394 has 8 divisors (see below), whose sum is σ = 759026268. Its totient is φ = 240960640.

The previous prime is 493969393. The next prime is 493969397.

493969394 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 493950625 + 18769 = 22225^2 + 137^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (493969393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3011927 + ... + 3012090.

Almost surely, 2^493969394 is an apocalyptic number.

493969394 is a deficient number, since it is larger than the sum of its proper divisors (265056874).

493969394 is a wasteful number, since it uses less digits than its factorization.

493969394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024060.

The product of its digits is 5668704, while the sum is 56.

The square root of 493969394 is about 22225.4222457077. The cubic root of 493969394 is about 790.4966134575.

The spelling of 493969394 in words is "four hundred ninety-three million, nine hundred sixty-nine thousand, three hundred ninety-four".