415408469 has 4 divisors (see below), whose sum is σ = 474752544. Its totient is φ = 356064396.

The previous prime is 415408459. The next prime is 415408507. The reversal of 415408469 is 964804514.

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 415408469 - 2¹² = 415404373 is a prime.

It is a super-2 number, since 2×415408469² = 345128392233847922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415408459) 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, 29672027 + ... + 29672040.

It is an arithmetic number, because the mean of its divisors is an integer number (118688136).

Almost surely, 2^415408469 is an apocalyptic number.

It is an amenable number.

415408469 is a deficient number, since it is larger than the sum of its proper divisors (59344075).

415408469 is an equidigital number, since it uses as much as digits as its factorization.

415408469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59344074.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 415408469 is about 20381.5717990542. The cubic root of 415408469 is about 746.1482340253.

The spelling of 415408469 in words is "four hundred fifteen million, four hundred eight thousand, four hundred sixty-nine".