805344564 has 24 divisors (see below), whose sum is σ = 1978039840. Its totient is φ = 254319264.

The previous prime is 805344539. The next prime is 805344569. The reversal of 805344564 is 465443508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805344569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765879 + ... + 1766334.

Almost surely, 2^805344564 is an apocalyptic number.

It is an amenable number.

805344564 is an abundant number, since it is smaller than the sum of its proper divisors (1172695276).

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

805344564 is a wasteful number, since it uses less digits than its factorization.

805344564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532239 (or 3532237 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 805344564 is about 28378.5934112316. The cubic root of 805344564 is about 930.3804525027.

The spelling of 805344564 in words is "eight hundred five million, three hundred forty-four thousand, five hundred sixty-four".