32638971 has 4 divisors (see below), whose sum is σ = 43518632. Its totient is φ = 21759312.

The previous prime is 32638967. The next prime is 32638973. The reversal of 32638971 is 17983623.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 32638971 - 2² = 32638967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32638973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5439826 + ... + 5439831.

It is an arithmetic number, because the mean of its divisors is an integer number (10879658).

Almost surely, 2^32638971 is an apocalyptic number.

32638971 is a deficient number, since it is larger than the sum of its proper divisors (10879661).

32638971 is a wasteful number, since it uses less digits than its factorization.

32638971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10879660.

The product of its digits is 54432, while the sum is 39.

The square root of 32638971 is about 5713.0526866116. The cubic root of 32638971 is about 319.5794312221.

The spelling of 32638971 in words is "thirty-two million, six hundred thirty-eight thousand, nine hundred seventy-one".