394711394 has 32 divisors (see below), whose sum is σ = 741108096. Its totient is φ = 153169920.

The previous prime is 394711393. The next prime is 394711399. The reversal of 394711394 is 493117493.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (394711391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34592 + ... + 44564.

It is an arithmetic number, because the mean of its divisors is an integer number (23159628).

Almost surely, 2^394711394 is an apocalyptic number.

394711394 is a deficient number, since it is larger than the sum of its proper divisors (346396702).

394711394 is a wasteful number, since it uses less digits than its factorization.

394711394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250.

The product of its digits is 81648, while the sum is 41.

The square root of 394711394 is about 19867.3449157153. The cubic root of 394711394 is about 733.5446507171.

The spelling of 394711394 in words is "three hundred ninety-four million, seven hundred eleven thousand, three hundred ninety-four".