408479 has 2 divisors, whose sum is σ = 408480. Its totient is φ = 408478.

The previous prime is 408469. The next prime is 408491. The reversal of 408479 is 974804.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408479 - 2⁸ = 408223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204239 + 204240.

It is an arithmetic number, because the mean of its divisors is an integer number (204240).

2⁴⁰⁸⁴⁷⁹ is an apocalyptic number.

408479 is a deficient number, since it is larger than the sum of its proper divisors (1).

408479 is an equidigital number, since it uses as much as digits as its factorization.

408479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 408479 is about 639.1236187155. The cubic root of 408479 is about 74.1976091625.

The spelling of 408479 in words is "four hundred eight thousand, four hundred seventy-nine".