394073799 has 16 divisors (see below), whose sum is σ = 600907008. Its totient is φ = 225029952.

The previous prime is 394073749. The next prime is 394073809. The reversal of 394073799 is 997370493.

It is not a de Polignac number, because 394073799 - 2⁹ = 394073287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394073749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29379 + ... + 40635.

It is an arithmetic number, because the mean of its divisors is an integer number (37556688).

Almost surely, 2^394073799 is an apocalyptic number.

394073799 is a deficient number, since it is larger than the sum of its proper divisors (206833209).

394073799 is a wasteful number, since it uses less digits than its factorization.

394073799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12934.

The product of its (nonzero) digits is 1285956, while the sum is 51.

The square root of 394073799 is about 19851.2921241918. The cubic root of 394073799 is about 733.1494620049.

The spelling of 394073799 in words is "three hundred ninety-four million, seventy-three thousand, seven hundred ninety-nine".