32528940 has 24 divisors (see below), whose sum is σ = 91081200. Its totient is φ = 8674368.

The previous prime is 32528933. The next prime is 32528953. The reversal of 32528940 is 4982523.

It is a happy number.

It is a nialpdrome in base 12.

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, 271015 + ... + 271134.

It is an arithmetic number, because the mean of its divisors is an integer number (3795050).

Almost surely, 2^32528940 is an apocalyptic number.

32528940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32528940 is an abundant number, since it is smaller than the sum of its proper divisors (58552260).

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

32528940 is a wasteful number, since it uses less digits than its factorization.

32528940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542161 (or 542159 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 32528940 is about 5703.4147666113. The cubic root of 32528940 is about 319.2199097511.

The spelling of 32528940 in words is "thirty-two million, five hundred twenty-eight thousand, nine hundred forty".