394016683 has 4 divisors (see below), whose sum is σ = 403626888. Its totient is φ = 384406480.

The previous prime is 394016671. The next prime is 394016719. The reversal of 394016683 is 386610493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394016683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394046683) 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, 4805041 + ... + 4805122.

It is an arithmetic number, because the mean of its divisors is an integer number (100906722).

Almost surely, 2^394016683 is an apocalyptic number.

394016683 is a deficient number, since it is larger than the sum of its proper divisors (9610205).

394016683 is an equidigital number, since it uses as much as digits as its factorization.

394016683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9610204.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 394016683 is about 19849.8534755297. The cubic root of 394016683 is about 733.1140400543.

The spelling of 394016683 in words is "three hundred ninety-four million, sixteen thousand, six hundred eighty-three".