396792647 has 2 divisors, whose sum is σ = 396792648. Its totient is φ = 396792646.

The previous prime is 396792593. The next prime is 396792661. The reversal of 396792647 is 746297693.

It is a strong prime.

It is an emirp because it is prime and its reverse (746297693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396792647 - 2¹⁰ = 396791623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396792677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198396323 + 198396324.

It is an arithmetic number, because the mean of its divisors is an integer number (198396324).

Almost surely, 2^396792647 is an apocalyptic number.

396792647 is a deficient number, since it is larger than the sum of its proper divisors (1).

396792647 is an equidigital number, since it uses as much as digits as its factorization.

396792647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 53.

The square root of 396792647 is about 19919.6547911855. The cubic root of 396792647 is about 734.8316809565.

The spelling of 396792647 in words is "three hundred ninety-six million, seven hundred ninety-two thousand, six hundred forty-seven".