396666703 has 2 divisors, whose sum is σ = 396666704. Its totient is φ = 396666702.

The previous prime is 396666691. The next prime is 396666719. The reversal of 396666703 is 307666693.

It is a weak prime.

It is an emirp because it is prime and its reverse (307666693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396666703 - 2²¹ = 394569551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396666203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198333351 + 198333352.

It is an arithmetic number, because the mean of its divisors is an integer number (198333352).

Almost surely, 2^396666703 is an apocalyptic number.

396666703 is a deficient number, since it is larger than the sum of its proper divisors (1).

396666703 is an equidigital number, since it uses as much as digits as its factorization.

396666703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 46.

The square root of 396666703 is about 19916.4932405281. The cubic root of 396666703 is about 734.7539262944.

The spelling of 396666703 in words is "three hundred ninety-six million, six hundred sixty-six thousand, seven hundred three".