32090091 has 8 divisors (see below), whose sum is σ = 46676544. Its totient is φ = 19448520.

The previous prime is 32090089. The next prime is 32090141. The reversal of 32090091 is 19009023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32090091 - 2¹ = 32090089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32090491) 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 7 ways as a sum of consecutive naturals, for example, 486181 + ... + 486246.

It is an arithmetic number, because the mean of its divisors is an integer number (5834568).

Almost surely, 2^32090091 is an apocalyptic number.

32090091 is a deficient number, since it is larger than the sum of its proper divisors (14586453).

32090091 is a wasteful number, since it uses less digits than its factorization.

32090091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972441.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 32090091 is about 5664.8116473542. The cubic root of 32090091 is about 317.7778698723. Note that the first 3 decimals are identical.

The spelling of 32090091 in words is "thirty-two million, ninety thousand, ninety-one".