32196921 has 4 divisors (see below), whose sum is σ = 42929232. Its totient is φ = 21464612.

The previous prime is 32196893. The next prime is 32196947. The reversal of 32196921 is 12969123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32196921 - 2¹³ = 32188729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32196961) 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, 5366151 + ... + 5366156.

It is an arithmetic number, because the mean of its divisors is an integer number (10732308).

Almost surely, 2^32196921 is an apocalyptic number.

It is an amenable number.

32196921 is a deficient number, since it is larger than the sum of its proper divisors (10732311).

32196921 is a wasteful number, since it uses less digits than its factorization.

32196921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10732310.

The product of its digits is 5832, while the sum is 33.

The square root of 32196921 is about 5674.2330759319. The cubic root of 32196921 is about 318.1301136789.

The spelling of 32196921 in words is "thirty-two million, one hundred ninety-six thousand, nine hundred twenty-one".