394983377 has 2 divisors, whose sum is σ = 394983378. Its totient is φ = 394983376.

The previous prime is 394983371. The next prime is 394983403. The reversal of 394983377 is 773389493.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394856641 + 126736 = 19871^2 + 356^2 .

It is a cyclic number.

It is not a de Polignac number, because 394983377 - 2⁴ = 394983361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (394983371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197491688 + 197491689.

It is an arithmetic number, because the mean of its divisors is an integer number (197491689).

Almost surely, 2^394983377 is an apocalyptic number.

It is an amenable number.

394983377 is a deficient number, since it is larger than the sum of its proper divisors (1).

394983377 is an equidigital number, since it uses as much as digits as its factorization.

394983377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 53.

The square root of 394983377 is about 19874.1887130016. The cubic root of 394983377 is about 733.7130994196.

It can be divided in two parts, 39498 and 3377, that added together give a cube (42875 = 35³).

The spelling of 394983377 in words is "three hundred ninety-four million, nine hundred eighty-three thousand, three hundred seventy-seven".