32040891 has 12 divisors (see below), whose sum is σ = 47358168. Its totient is φ = 20863584.

The previous prime is 32040881. The next prime is 32040901. The reversal of 32040891 is 19804023.

It is an interprime number because it is at equal distance from previous prime (32040881) and next prime (32040901).

It is not a de Polignac number, because 32040891 - 2¹⁴ = 32024507 is a prime.

It is a super-3 number, since 3×32040891³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (32040851) 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 11 ways as a sum of consecutive naturals, for example, 41010 + ... + 41783.

It is an arithmetic number, because the mean of its divisors is an integer number (3946514).

Almost surely, 2^32040891 is an apocalyptic number.

32040891 is a deficient number, since it is larger than the sum of its proper divisors (15317277).

32040891 is a wasteful number, since it uses less digits than its factorization.

32040891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82842 (or 82839 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 32040891 is about 5660.4673835294. The cubic root of 32040891 is about 317.6153828677.

The spelling of 32040891 in words is "thirty-two million, forty thousand, eight hundred ninety-one".