452816 has 40 divisors (see below), whose sum is σ = 1083264. Its totient is φ = 178560.

The previous prime is 452813. The next prime is 452821. The reversal of 452816 is 618254.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 452816.

It is not an unprimeable number, because it can be changed into a prime (452813) 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, 1301 + ... + 1611.

2⁴⁵²⁸¹⁶ 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 452816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541632).

452816 is an abundant number, since it is smaller than the sum of its proper divisors (630448).

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

452816 is a wasteful number, since it uses less digits than its factorization.

452816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 333 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 452816 is about 672.9160423114. The cubic root of 452816 is about 76.7904574371.

The spelling of 452816 in words is "four hundred fifty-two thousand, eight hundred sixteen".