396795757 has 2 divisors, whose sum is σ = 396795758. Its totient is φ = 396795756.

The previous prime is 396795743. The next prime is 396795767. The reversal of 396795757 is 757597693.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372451401 + 24344356 = 19299^2 + 4934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396795757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396795767) 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, 198397878 + 198397879.

It is an arithmetic number, because the mean of its divisors is an integer number (198397879).

Almost surely, 2^396795757 is an apocalyptic number.

It is an amenable number.

396795757 is a deficient number, since it is larger than the sum of its proper divisors (1).

396795757 is an equidigital number, since it uses as much as digits as its factorization.

396795757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12502350, while the sum is 58.

The square root of 396795757 is about 19919.7328546344. The cubic root of 396795757 is about 734.8336007843.

The spelling of 396795757 in words is "three hundred ninety-six million, seven hundred ninety-five thousand, seven hundred fifty-seven".