396719 has 2 divisors, whose sum is σ = 396720. Its totient is φ = 396718.

The previous prime is 396713. The next prime is 396733. The reversal of 396719 is 917693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 396719 - 2⁴ = 396703 is a prime.

It is a super-2 number, since 2×396719² = 314771929922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198359 + 198360.

It is an arithmetic number, because the mean of its divisors is an integer number (198360).

2³⁹⁶⁷¹⁹ is an apocalyptic number.

396719 is a deficient number, since it is larger than the sum of its proper divisors (1).

396719 is an equidigital number, since it uses as much as digits as its factorization.

396719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 35.

The square root of 396719 is about 629.8563328252. The cubic root of 396719 is about 73.4786215146.

The spelling of 396719 in words is "three hundred ninety-six thousand, seven hundred nineteen".