450047 has 6 divisors (see below), whose sum is σ = 487512. Its totient is φ = 415272.

The previous prime is 450029. The next prime is 450067. The reversal of 450047 is 740054.

It is not a de Polignac number, because 450047 - 2¹⁴ = 433663 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1163 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (81252).

2⁴⁵⁰⁰⁴⁷ is an apocalyptic number.

450047 is a deficient number, since it is larger than the sum of its proper divisors (37465).

450047 is a wasteful number, since it uses less digits than its factorization.

450047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 450047 is about 670.8554240669. The cubic root of 450047 is about 76.6336110386.

The spelling of 450047 in words is "four hundred fifty thousand, forty-seven".