396442573 has 2 divisors, whose sum is σ = 396442574. Its totient is φ = 396442572.

The previous prime is 396442537. The next prime is 396442591. The reversal of 396442573 is 375244693.

Together with previous prime (396442537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297976644 + 98465929 = 17262^2 + 9923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396442573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396442073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198221286 + 198221287.

It is an arithmetic number, because the mean of its divisors is an integer number (198221287).

Almost surely, 2^396442573 is an apocalyptic number.

It is an amenable number.

396442573 is a deficient number, since it is larger than the sum of its proper divisors (1).

396442573 is an equidigital number, since it uses as much as digits as its factorization.

396442573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 43.

The square root of 396442573 is about 19910.8657019227. The cubic root of 396442573 is about 734.6155133458.

The spelling of 396442573 in words is "three hundred ninety-six million, four hundred forty-two thousand, five hundred seventy-three".