32640339 has 8 divisors (see below), whose sum is σ = 43742160. Its totient is φ = 21649376.

The previous prime is 32640319. The next prime is 32640343. The reversal of 32640339 is 93304623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32640339 - 2¹⁶ = 32574803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32640319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27024 + ... + 28205.

It is an arithmetic number, because the mean of its divisors is an integer number (5467770).

Almost surely, 2^32640339 is an apocalyptic number.

32640339 is a deficient number, since it is larger than the sum of its proper divisors (11101821).

32640339 is a wasteful number, since it uses less digits than its factorization.

32640339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55429.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 32640339 is about 5713.1724111915. The cubic root of 32640339 is about 319.5838960131.

The spelling of 32640339 in words is "thirty-two million, six hundred forty thousand, three hundred thirty-nine".