396909683 has 2 divisors, whose sum is σ = 396909684. Its totient is φ = 396909682.

The previous prime is 396909661. The next prime is 396909719. The reversal of 396909683 is 386909693.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (386909693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396909683 - 2⁸ = 396909427 is a prime.

It is not a weakly prime, because it can be changed into another prime (396902683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198454841 + 198454842.

It is an arithmetic number, because the mean of its divisors is an integer number (198454842).

Almost surely, 2^396909683 is an apocalyptic number.

396909683 is a deficient number, since it is larger than the sum of its proper divisors (1).

396909683 is an equidigital number, since it uses as much as digits as its factorization.

396909683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The square root of 396909683 is about 19922.5922761070. The cubic root of 396909683 is about 734.9039212959.

The spelling of 396909683 in words is "three hundred ninety-six million, nine hundred nine thousand, six hundred eighty-three".