396271247 has 2 divisors, whose sum is σ = 396271248. Its totient is φ = 396271246.

The previous prime is 396271237. The next prime is 396271259. The reversal of 396271247 is 742172693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 396271247 - 2⁸ = 396270991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396271237) 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, 198135623 + 198135624.

It is an arithmetic number, because the mean of its divisors is an integer number (198135624).

Almost surely, 2^396271247 is an apocalyptic number.

396271247 is a deficient number, since it is larger than the sum of its proper divisors (1).

396271247 is an equidigital number, since it uses as much as digits as its factorization.

396271247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 396271247 is about 19906.5629127682. The cubic root of 396271247 is about 734.5096746690.

The spelling of 396271247 in words is "three hundred ninety-six million, two hundred seventy-one thousand, two hundred forty-seven".