406452 has 12 divisors (see below), whose sum is σ = 948416. Its totient is φ = 135480.

The previous prime is 406447. The next prime is 406481. The reversal of 406452 is 254604.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

406452 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16924 + ... + 16947.

2⁴⁰⁶⁴⁵² is an apocalyptic number.

It is an amenable number.

406452 is an abundant number, since it is smaller than the sum of its proper divisors (541964).

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

406452 is a wasteful number, since it uses less digits than its factorization.

406452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33878 (or 33876 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 406452 is about 637.5358813432. The cubic root of 406452 is about 74.0746750445.

It can be divided in two parts, 406 and 452, that added together give a palindrome (858).

The spelling of 406452 in words is "four hundred six thousand, four hundred fifty-two".