415874449 has 3 divisors (see below), whose sum is σ = 415894843. Its totient is φ = 415854056.

The previous prime is 415874447. The next prime is 415874479. The reversal of 415874449 is 944478514.

The square root of 415874449 is 20393.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 224550225 + 191324224 = 14985^2 + 13832^2 .

It is not a de Polignac number, because 415874449 - 2¹ = 415874447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 415874399 and 415874408.

It is not an unprimeable number, because it can be changed into a prime (415874441) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10197 + ... + 30589.

Almost surely, 2^415874449 is an apocalyptic number.

415874449 is the 20393-rd square number.

415874449 is the 10197-th centered octagonal number.

It is an amenable number.

415874449 is a deficient number, since it is larger than the sum of its proper divisors (20394).

415874449 is an frugal number, since it uses more digits than its factorization.

415874449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40786 (or 20393 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The cubic root of 415874449 is about 746.4271243666.

The spelling of 415874449 in words is "four hundred fifteen million, eight hundred seventy-four thousand, four hundred forty-nine".