406455 has 32 divisors (see below), whose sum is σ = 768000. Its totient is φ = 183456.

The previous prime is 406447. The next prime is 406481. The reversal of 406455 is 554604.

It is not a de Polignac number, because 406455 - 2³ = 406447 is a prime.

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 406455.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5106 + ... + 5184.

It is an arithmetic number, because the mean of its divisors is an integer number (24000).

2⁴⁰⁶⁴⁵⁵ is an apocalyptic number.

406455 is a deficient number, since it is larger than the sum of its proper divisors (361545).

406455 is an equidigital number, since it uses as much as digits as its factorization.

406455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 406455 is about 637.5382341476. The cubic root of 406455 is about 74.0748572911.

It can be divided in two parts, 406 and 455, that added together give a triangular number (861 = T₄₁).

The spelling of 406455 in words is "four hundred six thousand, four hundred fifty-five".