450604 has 54 divisors (see below), whose sum is σ = 1061340. Its totient is φ = 166320.

The previous prime is 450601. The next prime is 450617. The reversal of 450604 is 406054.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (450601) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23707 + ... + 23725.

2⁴⁵⁰⁶⁰⁴ is an apocalyptic number.

450604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530670).

450604 is an abundant number, since it is smaller than the sum of its proper divisors (610736).

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

450604 is a wasteful number, since it uses less digits than its factorization.

450604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 450604 is about 671.2704373053. The cubic root of 450604 is about 76.6652131629.

Multiplying 450604 by its sum of digits (19), we get a square (8561476 = 2926²).

450604 divided by its sum of digits (19) gives a square (23716 = 154²).

Adding to 450604 its reverse (406054), we get a palindrome (856658).

The spelling of 450604 in words is "four hundred fifty thousand, six hundred four".