396826523 has 2 divisors, whose sum is σ = 396826524. Its totient is φ = 396826522.

The previous prime is 396826471. The next prime is 396826531. The reversal of 396826523 is 325628693.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396826523 is a prime.

It is not a weakly prime, because it can be changed into another prime (396823523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198413261 + 198413262.

It is an arithmetic number, because the mean of its divisors is an integer number (198413262).

Almost surely, 2^396826523 is an apocalyptic number.

396826523 is a deficient number, since it is larger than the sum of its proper divisors (1).

396826523 is an equidigital number, since it uses as much as digits as its factorization.

396826523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The square root of 396826523 is about 19920.5050889780. The cubic root of 396826523 is about 734.8525923401.

The spelling of 396826523 in words is "three hundred ninety-six million, eight hundred twenty-six thousand, five hundred twenty-three".