394548097 has 2 divisors, whose sum is σ = 394548098. Its totient is φ = 394548096.

The previous prime is 394548083. The next prime is 394548101. The reversal of 394548097 is 790845493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226171521 + 168376576 = 15039^2 + 12976^2 .

It is a cyclic number.

It is not a de Polignac number, because 394548097 - 2⁷ = 394547969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 394548097.

It is not a weakly prime, because it can be changed into another prime (394548017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197274048 + 197274049.

It is an arithmetic number, because the mean of its divisors is an integer number (197274049).

Almost surely, 2^394548097 is an apocalyptic number.

It is an amenable number.

394548097 is a deficient number, since it is larger than the sum of its proper divisors (1).

394548097 is an equidigital number, since it uses as much as digits as its factorization.

394548097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 394548097 is about 19863.2348070499. The cubic root of 394548097 is about 733.4434779232.

The spelling of 394548097 in words is "three hundred ninety-four million, five hundred forty-eight thousand, ninety-seven".