396333997 has 2 divisors, whose sum is σ = 396333998. Its totient is φ = 396333996.

The previous prime is 396333983. The next prime is 396334007. The reversal of 396333997 is 799333693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379899081 + 16434916 = 19491^2 + 4054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396333997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396333397) 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, 198166998 + 198166999.

It is an arithmetic number, because the mean of its divisors is an integer number (198166999).

Almost surely, 2^396333997 is an apocalyptic number.

It is an amenable number.

396333997 is a deficient number, since it is larger than the sum of its proper divisors (1).

396333997 is an equidigital number, since it uses as much as digits as its factorization.

396333997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2480058, while the sum is 52.

The square root of 396333997 is about 19908.1389637505. The cubic root of 396333997 is about 734.5484427685.

The spelling of 396333997 in words is "three hundred ninety-six million, three hundred thirty-three thousand, nine hundred ninety-seven".