394113373 has 2 divisors, whose sum is σ = 394113374. Its totient is φ = 394113372.

The previous prime is 394113337. The next prime is 394113389. The reversal of 394113373 is 373311493.

Together with previous prime (394113337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388996729 + 5116644 = 19723^2 + 2262^2 .

It is an emirp because it is prime and its reverse (373311493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 394113373 - 2¹³ = 394105181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394113673) 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 as a sum of consecutive naturals, namely, 197056686 + 197056687.

It is an arithmetic number, because the mean of its divisors is an integer number (197056687).

Almost surely, 2^394113373 is an apocalyptic number.

It is an amenable number.

394113373 is a deficient number, since it is larger than the sum of its proper divisors (1).

394113373 is an equidigital number, since it uses as much as digits as its factorization.

394113373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 34.

The square root of 394113373 is about 19852.2888604816. The cubic root of 394113373 is about 733.1740028276.

The spelling of 394113373 in words is "three hundred ninety-four million, one hundred thirteen thousand, three hundred seventy-three".