408479109 has 16 divisors (see below), whose sum is σ = 556092864. Its totient is φ = 266614400.

The previous prime is 408479083. The next prime is 408479129. The reversal of 408479109 is 901974804.

It is a cyclic number.

It is not a de Polignac number, because 408479109 - 2⁷ = 408478981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408479129) 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 in 15 ways as a sum of consecutive naturals, for example, 80374 + ... + 85304.

It is an arithmetic number, because the mean of its divisors is an integer number (34755804).

Almost surely, 2^408479109 is an apocalyptic number.

It is an amenable number.

408479109 is a deficient number, since it is larger than the sum of its proper divisors (147613755).

408479109 is a wasteful number, since it uses less digits than its factorization.

408479109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5508.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 408479109 is about 20210.8661120695. The cubic root of 408479109 is about 741.9761576218.

The spelling of 408479109 in words is "four hundred eight million, four hundred seventy-nine thousand, one hundred nine".