394825199 has 4 divisors (see below), whose sum is σ = 411991536. Its totient is φ = 377658864.

The previous prime is 394825181. The next prime is 394825213. The reversal of 394825199 is 991528493.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 394825199 - 2⁸ = 394824943 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394825129) 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 3 ways as a sum of consecutive naturals, for example, 8583134 + ... + 8583179.

It is an arithmetic number, because the mean of its divisors is an integer number (102997884).

Almost surely, 2^394825199 is an apocalyptic number.

394825199 is a deficient number, since it is larger than the sum of its proper divisors (17166337).

394825199 is a wasteful number, since it uses less digits than its factorization.

394825199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17166336.

The product of its digits is 699840, while the sum is 50.

The square root of 394825199 is about 19870.2088313133. The cubic root of 394825199 is about 733.6151435956.

The spelling of 394825199 in words is "three hundred ninety-four million, eight hundred twenty-five thousand, one hundred ninety-nine".