394141597 has 2 divisors, whose sum is σ = 394141598. Its totient is φ = 394141596.

The previous prime is 394141571. The next prime is 394141603. The reversal of 394141597 is 795141493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301577956 + 92563641 = 17366^2 + 9621^2 .

It is a cyclic number.

It is not a de Polignac number, because 394141597 - 2¹⁵ = 394108829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394141537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197070798 + 197070799.

It is an arithmetic number, because the mean of its divisors is an integer number (197070799).

Almost surely, 2^394141597 is an apocalyptic number.

It is an amenable number.

394141597 is a deficient number, since it is larger than the sum of its proper divisors (1).

394141597 is an equidigital number, since it uses as much as digits as its factorization.

394141597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 394141597 is about 19852.9996977787. Note that the first 3 decimals coincide. The cubic root of 394141597 is about 733.1915042290.

The spelling of 394141597 in words is "three hundred ninety-four million, one hundred forty-one thousand, five hundred ninety-seven".