805650432 has 120 divisors (see below), whose sum is σ = 2211379296. Its totient is φ = 260702208.

The previous prime is 805650409. The next prime is 805650449. The reversal of 805650432 is 234056508.

It is a junction number, because it is equal to n+sod(n) for n = 805650393 and 805650402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1818403 + ... + 1818845.

Almost surely, 2^805650432 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 805650432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105689648).

805650432 is an abundant number, since it is smaller than the sum of its proper divisors (1405728864).

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

805650432 is an equidigital number, since it uses as much as digits as its factorization.

805650432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 805650432 is about 28383.9819616628. The cubic root of 805650432 is about 930.4982230413.

The spelling of 805650432 in words is "eight hundred five million, six hundred fifty thousand, four hundred thirty-two".