447319 has 2 divisors, whose sum is σ = 447320. Its totient is φ = 447318.

The previous prime is 447311. The next prime is 447323. The reversal of 447319 is 913744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447319 - 2³ = 447311 is a prime.

It is a super-2 number, since 2×447319² = 400188575522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223659 + 223660.

It is an arithmetic number, because the mean of its divisors is an integer number (223660).

2⁴⁴⁷³¹⁹ is an apocalyptic number.

447319 is a deficient number, since it is larger than the sum of its proper divisors (1).

447319 is an equidigital number, since it uses as much as digits as its factorization.

447319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 447319 is about 668.8191085787. The cubic root of 447319 is about 76.4784566332.

The spelling of 447319 in words is "four hundred forty-seven thousand, three hundred nineteen".