394313111 has 4 divisors (see below), whose sum is σ = 395021592. Its totient is φ = 393604632.

The previous prime is 394313093. The next prime is 394313131. The reversal of 394313111 is 111313493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 394313111 - 2¹⁸ = 394050967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394313131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353405 + ... + 354518.

It is an arithmetic number, because the mean of its divisors is an integer number (98755398).

Almost surely, 2^394313111 is an apocalyptic number.

394313111 is a deficient number, since it is larger than the sum of its proper divisors (708481).

394313111 is an equidigital number, since it uses as much as digits as its factorization.

394313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708480.

The product of its digits is 972, while the sum is 26.

The square root of 394313111 is about 19857.3188270723. The cubic root of 394313111 is about 733.2978402702.

The spelling of 394313111 in words is "three hundred ninety-four million, three hundred thirteen thousand, one hundred eleven".