450428 has 24 divisors (see below), whose sum is σ = 892080. Its totient is φ = 197120.

The previous prime is 450421. The next prime is 450431. The reversal of 450428 is 824054.

450428 is nontrivially palindromic in base 3 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100 + ... + 1452.

It is an arithmetic number, because the mean of its divisors is an integer number (37170).

2⁴⁵⁰⁴²⁸ is an apocalyptic number.

It is an amenable number.

450428 is a deficient number, since it is larger than the sum of its proper divisors (441652).

450428 is a wasteful number, since it uses less digits than its factorization.

450428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 450428 is about 671.1393297967. The cubic root of 450428 is about 76.6552303882.

It can be divided in two parts, 450 and 428, that added together give a palindrome (878).

The spelling of 450428 in words is "four hundred fifty thousand, four hundred twenty-eight".