394899606 has 12 divisors (see below), whose sum is σ = 855615852. Its totient is φ = 131633196.

The previous prime is 394899551. The next prime is 394899619. The reversal of 394899606 is 606998493.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10969416 + ... + 10969451.

It is an arithmetic number, because the mean of its divisors is an integer number (71301321).

Almost surely, 2^394899606 is an apocalyptic number.

394899606 is an abundant number, since it is smaller than the sum of its proper divisors (460716246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394899606 is a wasteful number, since it uses less digits than its factorization.

394899606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21938875 (or 21938872 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 394899606 is about 19872.0810686752. The cubic root of 394899606 is about 733.6612253160.

The spelling of 394899606 in words is "three hundred ninety-four million, eight hundred ninety-nine thousand, six hundred six".