32805894 has 32 divisors (see below), whose sum is σ = 75346560. Its totient is φ = 9417600.

The previous prime is 32805893. The next prime is 32805917. The reversal of 32805894 is 49850823.

32805894 = 1305² + 1306² + ... + 1323².

It is a happy number.

It is a super-2 number, since 2×32805894² = 2152453362278472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32805893) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11827 + ... + 14334.

It is an arithmetic number, because the mean of its divisors is an integer number (2354580).

Almost surely, 2^32805894 is an apocalyptic number.

32805894 is an abundant number, since it is smaller than the sum of its proper divisors (42540666).

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

32805894 is a wasteful number, since it uses less digits than its factorization.

32805894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26196.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 32805894 is about 5727.6429707167. The cubic root of 32805894 is about 320.1233053453.

The spelling of 32805894 in words is "thirty-two million, eight hundred five thousand, eight hundred ninety-four".