452340 has 72 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 103104.

The previous prime is 452329. The next prime is 452363. The reversal of 452340 is 43254.

It is a happy number.

It is a super-2 number, since 2×452340² = 409222951200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1081 + ... + 1439.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2⁴⁵²³⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786240).

452340 is an abundant number, since it is smaller than the sum of its proper divisors (1120140).

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

452340 is a wasteful number, since it uses less digits than its factorization.

452340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 452340 is about 672.5622647755. The cubic root of 452340 is about 76.7635406370.

Adding to 452340 its reverse (43254), we get a palindrome (495594).

The spelling of 452340 in words is "four hundred fifty-two thousand, three hundred forty".