394949493 has 16 divisors (see below), whose sum is σ = 585692160. Its totient is φ = 263037888.

The previous prime is 394949479. The next prime is 394949543.

394949493 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 394949493 - 2⁸ = 394949237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394949473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22621 + ... + 36077.

It is an arithmetic number, because the mean of its divisors is an integer number (36605760).

Almost surely, 2^394949493 is an apocalyptic number.

It is an amenable number.

394949493 is a deficient number, since it is larger than the sum of its proper divisors (190742667).

394949493 is a wasteful number, since it uses less digits than its factorization.

394949493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14553 (or 14547 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 54.

The square root of 394949493 is about 19873.3362322485. The cubic root of 394949493 is about 733.6921180762.

The spelling of 394949493 in words is "three hundred ninety-four million, nine hundred forty-nine thousand, four hundred ninety-three".