32280965 has 16 divisors (see below), whose sum is σ = 39960000. Its totient is φ = 25022592.

The previous prime is 32280959. The next prime is 32280979. The reversal of 32280965 is 56908223.

It is a cyclic number.

It is not a de Polignac number, because 32280965 - 2⁴ = 32280949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20786 + ... + 22284.

It is an arithmetic number, because the mean of its divisors is an integer number (2497500).

Almost surely, 2^32280965 is an apocalyptic number.

It is an amenable number.

32280965 is a deficient number, since it is larger than the sum of its proper divisors (7679035).

32280965 is a wasteful number, since it uses less digits than its factorization.

32280965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 32280965 is about 5681.6340079241. The cubic root of 32280965 is about 318.4066794313.

The spelling of 32280965 in words is "thirty-two million, two hundred eighty thousand, nine hundred sixty-five".