416479409 has 4 divisors (see below), whose sum is σ = 416534640. Its totient is φ = 416424180.

The previous prime is 416479403. The next prime is 416479421. The reversal of 416479409 is 904974614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 416479409 - 2⁸ = 416479153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 416479409.

It is not an unprimeable number, because it can be changed into a prime (416479403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14099 + ... + 32120.

It is an arithmetic number, because the mean of its divisors is an integer number (104133660).

Almost surely, 2^416479409 is an apocalyptic number.

It is an amenable number.

416479409 is a deficient number, since it is larger than the sum of its proper divisors (55231).

416479409 is an equidigital number, since it uses as much as digits as its factorization.

416479409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55230.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 416479409 is about 20407.8271503852. The cubic root of 416479409 is about 746.7888840073.

The spelling of 416479409 in words is "four hundred sixteen million, four hundred seventy-nine thousand, four hundred nine".