32489091 has 18 divisors (see below), whose sum is σ = 49855572. Its totient is φ = 20383680.

The previous prime is 32489089. The next prime is 32489099. The reversal of 32489091 is 19098423.

It is not a de Polignac number, because 32489091 - 2¹ = 32489089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32489099) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 3645 + ... + 8846.

It is an arithmetic number, because the mean of its divisors is an integer number (2769754).

Almost surely, 2^32489091 is an apocalyptic number.

32489091 is a deficient number, since it is larger than the sum of its proper divisors (17366481).

32489091 is a wasteful number, since it uses less digits than its factorization.

32489091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12531 (or 12511 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 32489091 is about 5699.9202626002. The cubic root of 32489091 is about 319.0895049270.

The spelling of 32489091 in words is "thirty-two million, four hundred eighty-nine thousand, ninety-one".