32880285 has 24 divisors (see below), whose sum is σ = 57297240. Its totient is φ = 17442432.

The previous prime is 32880259. The next prime is 32880293. The reversal of 32880285 is 58208823.

It can be written as a sum of positive squares in 4 ways, for example, as 8139609 + 24740676 = 2853^2 + 4974^2 .

It is not a de Polignac number, because 32880285 - 2⁷ = 32880157 is a prime.

It is a super-2 number, since 2×32880285² = 2162226283362450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7011 + ... + 10719.

It is an arithmetic number, because the mean of its divisors is an integer number (2387385).

Almost surely, 2^32880285 is an apocalyptic number.

It is an amenable number.

32880285 is a deficient number, since it is larger than the sum of its proper divisors (24416955).

32880285 is a wasteful number, since it uses less digits than its factorization.

32880285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917 (or 3914 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 32880285 is about 5734.1333259700. The cubic root of 32880285 is about 320.3650943659.

Subtracting from 32880285 its product of nonzero digits (30720), we obtain a triangular number (32849565 = T₈₁₀₅).

The spelling of 32880285 in words is "thirty-two million, eight hundred eighty thousand, two hundred eighty-five".