394141357 has 2 divisors, whose sum is σ = 394141358. Its totient is φ = 394141356.

The previous prime is 394141333. The next prime is 394141367. The reversal of 394141357 is 753141493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313608681 + 80532676 = 17709^2 + 8974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394141357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394141327) 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, 197070678 + 197070679.

It is an arithmetic number, because the mean of its divisors is an integer number (197070679).

Almost surely, 2^394141357 is an apocalyptic number.

It is an amenable number.

394141357 is a deficient number, since it is larger than the sum of its proper divisors (1).

394141357 is an equidigital number, since it uses as much as digits as its factorization.

394141357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 394141357 is about 19852.9936533511. The cubic root of 394141357 is about 733.1913554111.

The spelling of 394141357 in words is "three hundred ninety-four million, one hundred forty-one thousand, three hundred fifty-seven".