450407 has 4 divisors (see below), whose sum is σ = 452160. Its totient is φ = 448656.

The previous prime is 450403. The next prime is 450413. The reversal of 450407 is 704054.

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

It is a cyclic number.

It is not a de Polignac number, because 450407 - 2² = 450403 is a prime.

It is a Duffinian 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 450407.

It is not an unprimeable number, because it can be changed into a prime (450403) 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, 407 + ... + 1032.

It is an arithmetic number, because the mean of its divisors is an integer number (113040).

2⁴⁵⁰⁴⁰⁷ is an apocalyptic number.

450407 is a deficient number, since it is larger than the sum of its proper divisors (1753).

450407 is a wasteful number, since it uses less digits than its factorization.

450407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752.

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

The square root of 450407 is about 671.1236845768. The cubic root of 450407 is about 76.6540390881.

The spelling of 450407 in words is "four hundred fifty thousand, four hundred seven".