394202011 has 16 divisors (see below), whose sum is σ = 466214400. Its totient is φ = 333107880.

The previous prime is 394202009. The next prime is 394202023. The reversal of 394202011 is 110202493.

It is not a de Polignac number, because 394202011 - 2¹ = 394202009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (394202051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16260 + ... + 32446.

It is an arithmetic number, because the mean of its divisors is an integer number (29138400).

Almost surely, 2^394202011 is an apocalyptic number.

394202011 is a deficient number, since it is larger than the sum of its proper divisors (72012389).

394202011 is an equidigital number, since it uses as much as digits as its factorization.

394202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16279 (or 16265 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 394202011 is about 19854.5211727707. The cubic root of 394202011 is about 733.2289634982.

The spelling of 394202011 in words is "three hundred ninety-four million, two hundred two thousand, eleven".