446399 has 2 divisors, whose sum is σ = 446400. Its totient is φ = 446398.

The previous prime is 446389. The next prime is 446401. The reversal of 446399 is 993644.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-446399 is a prime.

Together with 446401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (446309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223199 + 223200.

It is an arithmetic number, because the mean of its divisors is an integer number (223200).

2⁴⁴⁶³⁹⁹ is an apocalyptic number.

446399 is a deficient number, since it is larger than the sum of its proper divisors (1).

446399 is an equidigital number, since it uses as much as digits as its factorization.

446399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 446399 is about 668.1309751838. The cubic root of 446399 is about 76.4259896228.

The spelling of 446399 in words is "four hundred forty-six thousand, three hundred ninety-nine".