447455 has 4 divisors (see below), whose sum is σ = 536952. Its totient is φ = 357960.

The previous prime is 447451. The next prime is 447463. The reversal of 447455 is 554744.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 447455 - 2² = 447451 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44741 + ... + 44750.

It is an arithmetic number, because the mean of its divisors is an integer number (134238).

2⁴⁴⁷⁴⁵⁵ is an apocalyptic number.

447455 is a deficient number, since it is larger than the sum of its proper divisors (89497).

447455 is an equidigital number, since it uses as much as digits as its factorization.

447455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89496.

The product of its digits is 11200, while the sum is 29.

The square root of 447455 is about 668.9207725882. The cubic root of 447455 is about 76.4862065210.

The spelling of 447455 in words is "four hundred forty-seven thousand, four hundred fifty-five".