32297138 has 8 divisors (see below), whose sum is σ = 48474480. Its totient is φ = 16138980.

The previous prime is 32297117. The next prime is 32297143. The reversal of 32297138 is 83179223.

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

It is a junction number, because it is equal to n+sod(n) for n = 32297098 and 32297107.

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 3 ways as a sum of consecutive naturals, for example, 653 + ... + 8063.

It is an arithmetic number, because the mean of its divisors is an integer number (6059310).

Almost surely, 2^32297138 is an apocalyptic number.

32297138 is a deficient number, since it is larger than the sum of its proper divisors (16177342).

32297138 is a wasteful number, since it uses less digits than its factorization.

32297138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9592.

The product of its digits is 18144, while the sum is 35.

The square root of 32297138 is about 5683.0570998363. The cubic root of 32297138 is about 318.4598452466.

The spelling of 32297138 in words is "thirty-two million, two hundred ninety-seven thousand, one hundred thirty-eight".