394868941 has 2 divisors, whose sum is σ = 394868942. Its totient is φ = 394868940.

The previous prime is 394868897. The next prime is 394868953. The reversal of 394868941 is 149868493.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336575716 + 58293225 = 18346^2 + 7635^2 .

It is a cyclic number.

It is not a de Polignac number, because 394868941 - 2⁷ = 394868813 is a prime.

It is a super-2 number, since 2×394868941² = 311842961132922962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394868041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197434470 + 197434471.

It is an arithmetic number, because the mean of its divisors is an integer number (197434471).

Almost surely, 2^394868941 is an apocalyptic number.

It is an amenable number.

394868941 is a deficient number, since it is larger than the sum of its proper divisors (1).

394868941 is an equidigital number, since it uses as much as digits as its factorization.

394868941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 52.

The square root of 394868941 is about 19871.3094938406. The cubic root of 394868941 is about 733.6422345789.

The spelling of 394868941 in words is "three hundred ninety-four million, eight hundred sixty-eight thousand, nine hundred forty-one".