394073329 has 8 divisors (see below), whose sum is σ = 442838592. Its totient is φ = 347944080.

The previous prime is 394073327. The next prime is 394073341. The reversal of 394073329 is 923370493.

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

It is a cyclic number.

It is not a de Polignac number, because 394073329 - 2¹ = 394073327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 394073291 and 394073300.

It is not an unprimeable number, because it can be changed into a prime (394073327) 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 7 ways as a sum of consecutive naturals, for example, 658687 + ... + 659284.

It is an arithmetic number, because the mean of its divisors is an integer number (55354824).

Almost surely, 2^394073329 is an apocalyptic number.

It is an amenable number.

394073329 is a deficient number, since it is larger than the sum of its proper divisors (48765263).

394073329 is a wasteful number, since it uses less digits than its factorization.

394073329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318007.

The product of its (nonzero) digits is 122472, while the sum is 40.

The square root of 394073329 is about 19851.2802861679. The cubic root of 394073329 is about 733.1491705363.

The spelling of 394073329 in words is "three hundred ninety-four million, seventy-three thousand, three hundred twenty-nine".