394234311 has 16 divisors (see below), whose sum is σ = 544531680. Its totient is φ = 253524480.

The previous prime is 394234241. The next prime is 394234319. The reversal of 394234311 is 113432493.

It is not a de Polignac number, because 394234311 - 2¹⁴ = 394217927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394234319) 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, 7060 + ... + 28953.

It is an arithmetic number, because the mean of its divisors is an integer number (34033230).

Almost surely, 2^394234311 is an apocalyptic number.

394234311 is a deficient number, since it is larger than the sum of its proper divisors (150297369).

394234311 is a wasteful number, since it uses less digits than its factorization.

394234311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36146.

The product of its digits is 7776, while the sum is 30.

The square root of 394234311 is about 19855.3345728547. The cubic root of 394234311 is about 733.2489893124.

It can be divided in two parts, 39423 and 4311, that added together give a palindrome (43734).

The spelling of 394234311 in words is "three hundred ninety-four million, two hundred thirty-four thousand, three hundred eleven".