32428816 has 20 divisors (see below), whose sum is σ = 71806912. Its totient is φ = 13898016.

The previous prime is 32428793. The next prime is 32428817. The reversal of 32428816 is 61882423.

It is not an unprimeable number, because it can be changed into a prime (32428817) 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, 144660 + ... + 144883.

Almost surely, 2^32428816 is an apocalyptic number.

It is an amenable number.

32428816 is an abundant number, since it is smaller than the sum of its proper divisors (39378096).

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

32428816 is a wasteful number, since it uses less digits than its factorization.

32428816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289558 (or 289552 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 32428816 is about 5694.6304533306. The cubic root of 32428816 is about 318.8920537662.

The spelling of 32428816 in words is "thirty-two million, four hundred twenty-eight thousand, eight hundred sixteen".