32090540 has 24 divisors (see below), whose sum is σ = 67556832. Its totient is φ = 12804480.

The previous prime is 32090537. The next prime is 32090551. The reversal of 32090540 is 4509023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7385 + ... + 10895.

It is an arithmetic number, because the mean of its divisors is an integer number (2814868).

Almost surely, 2^32090540 is an apocalyptic number.

It is an amenable number.

32090540 is an abundant number, since it is smaller than the sum of its proper divisors (35466292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32090540 is a wasteful number, since it uses less digits than its factorization.

32090540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977 (or 3975 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 32090540 is about 5664.8512778360. The cubic root of 32090540 is about 317.7793519663.

Adding to 32090540 its reverse (4509023), we get a palindrome (36599563).

The spelling of 32090540 in words is "thirty-two million, ninety thousand, five hundred forty".