805532812 has 24 divisors (see below), whose sum is σ = 1645346304. Its totient is φ = 337882512.

The previous prime is 805532789. The next prime is 805532831. The reversal of 805532812 is 218235508.

It is a super-2 number, since 2×805532812² = 1297766222417254688, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 304738 + ... + 307369.

It is an arithmetic number, because the mean of its divisors is an integer number (68556096).

Almost surely, 2^805532812 is an apocalyptic number.

It is an amenable number.

805532812 is an abundant number, since it is smaller than the sum of its proper divisors (839813492).

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

805532812 is a wasteful number, since it uses less digits than its factorization.

805532812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612165 (or 612163 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 805532812 is about 28381.9099427787. The cubic root of 805532812 is about 930.4529385013.

The spelling of 805532812 in words is "eight hundred five million, five hundred thirty-two thousand, eight hundred twelve".