396208513 has 2 divisors, whose sum is σ = 396208514. Its totient is φ = 396208512.

The previous prime is 396208487. The next prime is 396208523. The reversal of 396208513 is 315802693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394936129 + 1272384 = 19873^2 + 1128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396208513 is a prime.

It is not a weakly prime, because it can be changed into another prime (396208523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198104256 + 198104257.

It is an arithmetic number, because the mean of its divisors is an integer number (198104257).

Almost surely, 2^396208513 is an apocalyptic number.

It is an amenable number.

396208513 is a deficient number, since it is larger than the sum of its proper divisors (1).

396208513 is an equidigital number, since it uses as much as digits as its factorization.

396208513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 396208513 is about 19904.9871389057. The cubic root of 396208513 is about 734.4709123632.

The spelling of 396208513 in words is "three hundred ninety-six million, two hundred eight thousand, five hundred thirteen".