412887809 has 4 divisors (see below), whose sum is σ = 421672704. Its totient is φ = 404102916.

The previous prime is 412887793. The next prime is 412887829. The reversal of 412887809 is 908788214.

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 412887809 - 2⁴ = 412887793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 8784847 = 412887809 / (4 + 1 + 2 + 8 + 8 + 7 + 8 + 0 + 9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (412887829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4392377 + ... + 4392470.

It is an arithmetic number, because the mean of its divisors is an integer number (105418176).

Almost surely, 2^412887809 is an apocalyptic number.

It is an amenable number.

412887809 is a deficient number, since it is larger than the sum of its proper divisors (8784895).

412887809 is an equidigital number, since it uses as much as digits as its factorization.

412887809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8784894.

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 412887809 is about 20319.6409663163. The cubic root of 412887809 is about 744.6359851030.

The spelling of 412887809 in words is "four hundred twelve million, eight hundred eighty-seven thousand, eight hundred nine".