445347 has 12 divisors (see below), whose sum is σ = 735280. Its totient is φ = 254448.

The previous prime is 445339. The next prime is 445363. The reversal of 445347 is 743544.

It is not a de Polignac number, because 445347 - 2³ = 445339 is a prime.

It is a d-powerful number, because it can be written as 4 + 4⁸ + 3² + 5 + 4⁹ + 7⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 445347.

It is not an unprimeable number, because it can be changed into a prime (445307) 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 in 11 ways as a sum of consecutive naturals, for example, 3472 + ... + 3597.

2⁴⁴⁵³⁴⁷ is an apocalyptic number.

445347 is a deficient number, since it is larger than the sum of its proper divisors (289933).

445347 is a wasteful number, since it uses less digits than its factorization.

445347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082 (or 7079 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 445347 is about 667.3432400197. The cubic root of 445347 is about 76.3659063178.

The spelling of 445347 in words is "four hundred forty-five thousand, three hundred forty-seven".