28884036 has 12 divisors (see below), whose sum is σ = 67396112. Its totient is φ = 9628008.

The previous prime is 28884017. The next prime is 28884073. The reversal of 28884036 is 63048882.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 28883985 and 28884003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203490 + ... + 1203513.

Almost surely, 2^28884036 is an apocalyptic number.

It is an amenable number.

28884036 is an abundant number, since it is smaller than the sum of its proper divisors (38512076).

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

28884036 is a wasteful number, since it uses less digits than its factorization.

28884036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407010 (or 2407008 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 28884036 is about 5374.3870348162. The cubic root of 28884036 is about 306.8216203889.

The spelling of 28884036 in words is "twenty-eight million, eight hundred eighty-four thousand, thirty-six".