394641353 has 2 divisors, whose sum is σ = 394641354. Its totient is φ = 394641352.

The previous prime is 394641301. The next prime is 394641361. The reversal of 394641353 is 353146493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234947584 + 159693769 = 15328^2 + 12637^2 .

It is a cyclic number.

It is not a de Polignac number, because 394641353 - 2⁸ = 394641097 is a prime.

It is not a weakly prime, because it can be changed into another prime (394641053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197320676 + 197320677.

It is an arithmetic number, because the mean of its divisors is an integer number (197320677).

Almost surely, 2^394641353 is an apocalyptic number.

It is an amenable number.

394641353 is a deficient number, since it is larger than the sum of its proper divisors (1).

394641353 is an equidigital number, since it uses as much as digits as its factorization.

394641353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 38.

The square root of 394641353 is about 19865.5821208441. The cubic root of 394641353 is about 733.5012593169.

The spelling of 394641353 in words is "three hundred ninety-four million, six hundred forty-one thousand, three hundred fifty-three".