447893 has 2 divisors, whose sum is σ = 447894. Its totient is φ = 447892.

The previous prime is 447883. The next prime is 447901. The reversal of 447893 is 398744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386884 + 61009 = 622^2 + 247^2 .

It is a cyclic number.

It is not a de Polignac number, because 447893 - 2⁴ = 447877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 447893.

It is not a weakly prime, because it can be changed into another prime (447823) 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, 223946 + 223947.

It is an arithmetic number, because the mean of its divisors is an integer number (223947).

2⁴⁴⁷⁸⁹³ is an apocalyptic number.

It is an amenable number.

447893 is a deficient number, since it is larger than the sum of its proper divisors (1).

447893 is an equidigital number, since it uses as much as digits as its factorization.

447893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 447893 is about 669.2480855408. The cubic root of 447893 is about 76.5111550509.

It can be divided in two parts, 447 and 893, that multiplied together give a triangular number (399171 = T₈₉₃).

The spelling of 447893 in words is "four hundred forty-seven thousand, eight hundred ninety-three".