394888699 has 8 divisors (see below), whose sum is σ = 419549760. Its totient is φ = 370386816.

The previous prime is 394888657. The next prime is 394888709. The reversal of 394888699 is 996888493.

It is a happy number.

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 394888699 - 2¹⁵ = 394855931 is a prime.

It is a super-3 number, since 3×394888699³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 394888699.

It is not an unprimeable number, because it can be changed into a prime (394888619) 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, 34659 + ... + 44620.

It is an arithmetic number, because the mean of its divisors is an integer number (52443720).

Almost surely, 2^394888699 is an apocalyptic number.

394888699 is a deficient number, since it is larger than the sum of its proper divisors (24661061).

394888699 is a wasteful number, since it uses less digits than its factorization.

394888699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79589.

The product of its digits is 26873856, while the sum is 64.

The square root of 394888699 is about 19871.8066365391. The cubic root of 394888699 is about 733.6544707582.

The spelling of 394888699 in words is "three hundred ninety-four million, eight hundred eighty-eight thousand, six hundred ninety-nine".