32640334 has 16 divisors (see below), whose sum is σ = 51402240. Its totient is φ = 15524280.

The previous prime is 32640319. The next prime is 32640343. The reversal of 32640334 is 43304623.

It is a junction number, because it is equal to n+sod(n) for n = 32640299 and 32640308.

It is a congruent number.

It is an unprimeable number.

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, 804 + ... + 8119.

It is an arithmetic number, because the mean of its divisors is an integer number (3212640).

Almost surely, 2^32640334 is an apocalyptic number.

32640334 is a deficient number, since it is larger than the sum of its proper divisors (18761906).

32640334 is a wasteful number, since it uses less digits than its factorization.

32640334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9015.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 32640334 is about 5713.1719736063. The cubic root of 32640334 is about 319.5838796946.

Adding to 32640334 its reverse (43304623), we get a palindrome (75944957).

The spelling of 32640334 in words is "thirty-two million, six hundred forty thousand, three hundred thirty-four".