394303394 has 8 divisors (see below), whose sum is σ = 597311388. Its totient is φ = 195199600.

The previous prime is 394303373. The next prime is 394303417. The reversal of 394303394 is 493303493.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 394221025 + 82369 = 19855^2 + 287^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 975797 + ... + 976200.

Almost surely, 2^394303394 is an apocalyptic number.

394303394 is a deficient number, since it is larger than the sum of its proper divisors (203007994).

394303394 is a wasteful number, since it uses less digits than its factorization.

394303394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952100.

The product of its (nonzero) digits is 104976, while the sum is 38.

The square root of 394303394 is about 19857.0741550713. The cubic root of 394303394 is about 733.2918167038.

Subtracting 394303394 from its reverse (493303493), we obtain a palindrome (99000099).

It can be divided in two parts, 39430 and 3394, that added together give a palindrome (42824).

The spelling of 394303394 in words is "three hundred ninety-four million, three hundred three thousand, three hundred ninety-four".