450438 has 16 divisors (see below), whose sum is σ = 925680. Its totient is φ = 146016.

The previous prime is 450431. The next prime is 450451. The reversal of 450438 is 834054.

It is a happy number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450431) 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, 793 + ... + 1236.

It is an arithmetic number, because the mean of its divisors is an integer number (57855).

2⁴⁵⁰⁴³⁸ is an apocalyptic number.

450438 is an abundant number, since it is smaller than the sum of its proper divisors (475242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450438 is a wasteful number, since it uses less digits than its factorization.

450438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 450438 is about 671.1467797732. The cubic root of 450438 is about 76.6557976610.

It can be divided in two parts, 450 and 438, that added together give a palindrome (888).

The spelling of 450438 in words is "four hundred fifty thousand, four hundred thirty-eight".