399067 has 2 divisors, whose sum is σ = 399068. Its totient is φ = 399066.

The previous prime is 399059. The next prime is 399071. The reversal of 399067 is 760993.

It is a strong prime.

It is an emirp because it is prime and its reverse (760993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 399067 - 2³ = 399059 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 399067.

It is not a weakly prime, because it can be changed into another prime (399097) 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, 199533 + 199534.

It is an arithmetic number, because the mean of its divisors is an integer number (199534).

2³⁹⁹⁰⁶⁷ is an apocalyptic number.

399067 is a deficient number, since it is larger than the sum of its proper divisors (1).

399067 is an equidigital number, since it uses as much as digits as its factorization.

399067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 399067 is about 631.7175001534. The cubic root of 399067 is about 73.6232986848.

The spelling of 399067 in words is "three hundred ninety-nine thousand, sixty-seven".