28832436 has 36 divisors (see below), whose sum is σ = 75583872. Its totient is φ = 9610488.

The previous prime is 28832423. The next prime is 28832491. The reversal of 28832436 is 63423882.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28832436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13860 + ... + 15803.

It is an arithmetic number, because the mean of its divisors is an integer number (2099552).

Almost surely, 2^28832436 is an apocalyptic number.

It is an amenable number.

28832436 is an abundant number, since it is smaller than the sum of its proper divisors (46751436).

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

28832436 is a wasteful number, since it uses less digits than its factorization.

28832436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29682 (or 29668 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 28832436 is about 5369.5843414551. The cubic root of 28832436 is about 306.6388039168.

The spelling of 28832436 in words is "twenty-eight million, eight hundred thirty-two thousand, four hundred thirty-six".