805229712 has 240 divisors, whose sum is σ = 2702588928. Its totient is φ = 218972160.

The previous prime is 805229687. The next prime is 805229731. The reversal of 805229712 is 217922508.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2280928 + ... + 2281280.

Almost surely, 2^805229712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805229712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351294464).

805229712 is an abundant number, since it is smaller than the sum of its proper divisors (1897359216).

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

805229712 is a wasteful number, since it uses less digits than its factorization.

805229712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 805229712 is about 28376.5697715563. The cubic root of 805229712 is about 930.3362225170.

The spelling of 805229712 in words is "eight hundred five million, two hundred twenty-nine thousand, seven hundred twelve".