415594409 has 4 divisors (see below), whose sum is σ = 425730900. Its totient is φ = 405457920.

The previous prime is 415594373. The next prime is 415594433. The reversal of 415594409 is 904495514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12709225 + 402885184 = 3565^2 + 20072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-415594409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 10136449 = 415594409 / (4 + 1 + 5 + 5 + 9 + 4 + 4 + 0 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415594499) 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, 5068184 + ... + 5068265.

It is an arithmetic number, because the mean of its divisors is an integer number (106432725).

Almost surely, 2^415594409 is an apocalyptic number.

It is an amenable number.

415594409 is a deficient number, since it is larger than the sum of its proper divisors (10136491).

415594409 is a wasteful number, since it uses less digits than its factorization.

415594409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10136490.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 415594409 is about 20386.1327622480. The cubic root of 415594409 is about 746.2595446332.

The spelling of 415594409 in words is "four hundred fifteen million, five hundred ninety-four thousand, four hundred nine".