396667 has 2 divisors, whose sum is σ = 396668. Its totient is φ = 396666.

The previous prime is 396647. The next prime is 396679. The reversal of 396667 is 766693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 396667 - 2¹¹ = 394619 is a prime.

It is a nialpdrome in base 9.

It is not a weakly prime, because it can be changed into another prime (396637) 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, 198333 + 198334.

It is an arithmetic number, because the mean of its divisors is an integer number (198334).

2³⁹⁶⁶⁶⁷ is an apocalyptic number.

396667 is a deficient number, since it is larger than the sum of its proper divisors (1).

396667 is an equidigital number, since it uses as much as digits as its factorization.

396667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 396667 is about 629.8150522177. The cubic root of 396667 is about 73.4754109674.

The spelling of 396667 in words is "three hundred ninety-six thousand, six hundred sixty-seven".