415223809 has 16 divisors (see below), whose sum is σ = 557504640. Its totient is φ = 298661760.

The previous prime is 415223789. The next prime is 415223819. The reversal of 415223809 is 908322514.

It is a cyclic number.

It is not a de Polignac number, because 415223809 - 2¹¹ = 415221761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (415223819) 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, 206404 + ... + 208405.

It is an arithmetic number, because the mean of its divisors is an integer number (34844040).

Almost surely, 2^415223809 is an apocalyptic number.

It is an amenable number.

415223809 is a deficient number, since it is larger than the sum of its proper divisors (142280831).

415223809 is a wasteful number, since it uses less digits than its factorization.

415223809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414840.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 415223809 is about 20377.0412229057. The cubic root of 415223809 is about 746.0376567948.

The spelling of 415223809 in words is "four hundred fifteen million, two hundred twenty-three thousand, eight hundred nine".