394329394 has 8 divisors (see below), whose sum is σ = 595464300. Its totient is φ = 195841296.

The previous prime is 394329361. The next prime is 394329407. The reversal of 394329394 is 493923493.

It can be written as a sum of positive squares in 2 ways, for example, as 387893025 + 6436369 = 19695^2 + 2537^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661329 + ... + 661924.

Almost surely, 2^394329394 is an apocalyptic number.

394329394 is a deficient number, since it is larger than the sum of its proper divisors (201134906).

394329394 is a wasteful number, since it uses less digits than its factorization.

394329394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323404.

The product of its digits is 629856, while the sum is 46.

The square root of 394329394 is about 19857.7288228035. The cubic root of 394329394 is about 733.3079338769.

The spelling of 394329394 in words is "three hundred ninety-four million, three hundred twenty-nine thousand, three hundred ninety-four".