394872714 has 12 divisors (see below), whose sum is σ = 855557586. Its totient is φ = 131624232.

The previous prime is 394872713. The next prime is 394872757. The reversal of 394872714 is 417278493.

It can be written as a sum of positive squares in only one way, i.e., 356643225 + 38229489 = 18885^2 + 6183^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 394872714.

It is not an unprimeable number, because it can be changed into a prime (394872713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10968669 + ... + 10968704.

Almost surely, 2^394872714 is an apocalyptic number.

394872714 is an abundant number, since it is smaller than the sum of its proper divisors (460684872).

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

394872714 is a wasteful number, since it uses less digits than its factorization.

394872714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21937381 (or 21937378 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 394872714 is about 19871.4044294811. The cubic root of 394872714 is about 733.6445712389.

The spelling of 394872714 in words is "three hundred ninety-four million, eight hundred seventy-two thousand, seven hundred fourteen".