394001712 has 80 divisors (see below), whose sum is σ = 1217942880. Its totient is φ = 121229568.

The previous prime is 394001687. The next prime is 394001717. The reversal of 394001712 is 217100493.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (394001717) 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, 29463 + ... + 40694.

It is an arithmetic number, because the mean of its divisors is an integer number (15224286).

Almost surely, 2^394001712 is an apocalyptic number.

It is an amenable number.

394001712 is an abundant number, since it is smaller than the sum of its proper divisors (823941168).

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

394001712 is a wasteful number, since it uses less digits than its factorization.

394001712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70187 (or 70175 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 394001712 is about 19849.4763658894. The cubic root of 394001712 is about 733.1047548389.

The spelling of 394001712 in words is "three hundred ninety-four million, one thousand, seven hundred twelve".