406479 has 16 divisors (see below), whose sum is σ = 582912. Its totient is φ = 251328.

The previous prime is 406447. The next prime is 406481. The reversal of 406479 is 974604.

It is not a de Polignac number, because 406479 - 2⁵ = 406447 is a prime.

It is a zygodrome in base 2.

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 406479.

It is not an unprimeable number, because it can be changed into a prime (406499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2899 + ... + 3035.

It is an arithmetic number, because the mean of its divisors is an integer number (36432).

2⁴⁰⁶⁴⁷⁹ is an apocalyptic number.

406479 is a deficient number, since it is larger than the sum of its proper divisors (176433).

406479 is a wasteful number, since it uses less digits than its factorization.

406479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 406479 is about 637.5570562703. The cubic root of 406479 is about 74.0763152316.

The spelling of 406479 in words is "four hundred six thousand, four hundred seventy-nine".