32140443 has 4 divisors (see below), whose sum is σ = 42853928. Its totient is φ = 21426960.

The previous prime is 32140417. The next prime is 32140463. The reversal of 32140443 is 34404123.

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

It is not a de Polignac number, because 32140443 - 2⁵ = 32140411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32140463) 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, 5356738 + ... + 5356743.

It is an arithmetic number, because the mean of its divisors is an integer number (10713482).

Almost surely, 2^32140443 is an apocalyptic number.

32140443 is a deficient number, since it is larger than the sum of its proper divisors (10713485).

32140443 is a wasteful number, since it uses less digits than its factorization.

32140443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10713484.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 32140443 is about 5669.2541837529. The cubic root of 32140443 is about 317.9439895815.

Adding to 32140443 its reverse (34404123), we get a palindrome (66544566).

The spelling of 32140443 in words is "thirty-two million, one hundred forty thousand, four hundred forty-three".