397103089 has 2 divisors, whose sum is σ = 397103090. Its totient is φ = 397103088.

The previous prime is 397103033. The next prime is 397103111. The reversal of 397103089 is 980301793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 353740864 + 43362225 = 18808^2 + 6585^2 .

It is a cyclic number.

It is not a de Polignac number, because 397103089 - 2⁷ = 397102961 is a prime.

It is not a weakly prime, because it can be changed into another prime (397103009) 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, 198551544 + 198551545.

It is an arithmetic number, because the mean of its divisors is an integer number (198551545).

Almost surely, 2^397103089 is an apocalyptic number.

It is an amenable number.

397103089 is a deficient number, since it is larger than the sum of its proper divisors (1).

397103089 is an equidigital number, since it uses as much as digits as its factorization.

397103089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 397103089 is about 19927.4456215542. The cubic root of 397103089 is about 735.0232698141.

The spelling of 397103089 in words is "three hundred ninety-seven million, one hundred three thousand, eighty-nine".