396807127 has 2 divisors, whose sum is σ = 396807128. Its totient is φ = 396807126.

The previous prime is 396807107. The next prime is 396807137. The reversal of 396807127 is 721708693.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (721708693) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396807127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396807107) 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, 198403563 + 198403564.

It is an arithmetic number, because the mean of its divisors is an integer number (198403564).

Almost surely, 2^396807127 is an apocalyptic number.

396807127 is a deficient number, since it is larger than the sum of its proper divisors (1).

396807127 is an equidigital number, since it uses as much as digits as its factorization.

396807127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 396807127 is about 19920.0182479836. The cubic root of 396807127 is about 734.8406194902.

The spelling of 396807127 in words is "three hundred ninety-six million, eight hundred seven thousand, one hundred twenty-seven".