406453 has 4 divisors (see below), whose sum is σ = 430380. Its totient is φ = 382528.

The previous prime is 406447. The next prime is 406481. The reversal of 406453 is 354604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 154449 + 252004 = 393^2 + 502^2 .

It is a cyclic number.

It is not a de Polignac number, because 406453 - 2¹³ = 398261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11938 + ... + 11971.

It is an arithmetic number, because the mean of its divisors is an integer number (107595).

2⁴⁰⁶⁴⁵³ is an apocalyptic number.

It is an amenable number.

406453 is a deficient number, since it is larger than the sum of its proper divisors (23927).

406453 is a wasteful number, since it uses less digits than its factorization.

406453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23926.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 406453 is about 637.5366656123. The cubic root of 406453 is about 74.0747357935.

The spelling of 406453 in words is "four hundred six thousand, four hundred fifty-three".