412781808 has 40 divisors (see below), whose sum is σ = 1086479568. Its totient is φ = 134996992.

The previous prime is 412781807. The next prime is 412781813. The reversal of 412781808 is 808187214.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412781807) 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 7 ways as a sum of consecutive naturals, for example, 78585 + ... + 83672.

Almost surely, 2^412781808 is an apocalyptic number.

412781808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

412781808 is an abundant number, since it is smaller than the sum of its proper divisors (673697760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

412781808 is a wasteful number, since it uses less digits than its factorization.

412781808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162321 (or 162315 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 412781808 is about 20317.0324604751. The cubic root of 412781808 is about 744.5722559955.

The spelling of 412781808 in words is "four hundred twelve million, seven hundred eighty-one thousand, eight hundred eight".