396542207 has 2 divisors, whose sum is σ = 396542208. Its totient is φ = 396542206.

The previous prime is 396542177. The next prime is 396542219. The reversal of 396542207 is 702245693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 396542207 - 2¹⁸ = 396280063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396542257) 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, 198271103 + 198271104.

It is an arithmetic number, because the mean of its divisors is an integer number (198271104).

Almost surely, 2^396542207 is an apocalyptic number.

396542207 is a deficient number, since it is larger than the sum of its proper divisors (1).

396542207 is an equidigital number, since it uses as much as digits as its factorization.

396542207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 396542207 is about 19913.3675454454. The cubic root of 396542207 is about 734.6770494137.

The spelling of 396542207 in words is "three hundred ninety-six million, five hundred forty-two thousand, two hundred seven".