32308138 has 16 divisors (see below), whose sum is σ = 50319360. Its totient is φ = 15541200.

The previous prime is 32308103. The next prime is 32308163. The reversal of 32308138 is 83180323.

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 7 ways as a sum of consecutive naturals, for example, 9783 + ... + 12661.

It is an arithmetic number, because the mean of its divisors is an integer number (3144960).

Almost surely, 2^32308138 is an apocalyptic number.

32308138 is a deficient number, since it is larger than the sum of its proper divisors (18011222).

32308138 is a wasteful number, since it uses less digits than its factorization.

32308138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 32308138 is about 5684.0248064202. The cubic root of 32308138 is about 318.4959956188.

The spelling of 32308138 in words is "thirty-two million, three hundred eight thousand, one hundred thirty-eight".