32828440 has 16 divisors (see below), whose sum is σ = 73864080. Its totient is φ = 13131360.

The previous prime is 32828437. The next prime is 32828441. The reversal of 32828440 is 4482823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32828441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410316 + ... + 410395.

It is an arithmetic number, because the mean of its divisors is an integer number (4616505).

Almost surely, 2^32828440 is an apocalyptic number.

It is an amenable number.

32828440 is an abundant number, since it is smaller than the sum of its proper divisors (41035640).

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

32828440 is a wasteful number, since it uses less digits than its factorization.

32828440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820722 (or 820718 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 32828440 is about 5729.6108070269. The cubic root of 32828440 is about 320.1966239514.

The spelling of 32828440 in words is "thirty-two million, eight hundred twenty-eight thousand, four hundred forty".