394216514 has 8 divisors (see below), whose sum is σ = 591958668. Its totient is φ = 196896960.

The previous prime is 394216513. The next prime is 394216523. The reversal of 394216514 is 415612493.

It can be written as a sum of positive squares in 2 ways, for example, as 386790889 + 7425625 = 19667^2 + 2725^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (394216513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103307 + ... + 107054.

Almost surely, 2^394216514 is an apocalyptic number.

394216514 is a deficient number, since it is larger than the sum of its proper divisors (197742154).

394216514 is a wasteful number, since it uses less digits than its factorization.

394216514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211300.

The product of its digits is 25920, while the sum is 35.

The square root of 394216514 is about 19854.8864010853. The cubic root of 394216514 is about 733.2379554101.

The spelling of 394216514 in words is "three hundred ninety-four million, two hundred sixteen thousand, five hundred fourteen".