28411552 has 48 divisors (see below), whose sum is σ = 60752160. Its totient is φ = 13001472.

The previous prime is 28411549. The next prime is 28411567. The reversal of 28411552 is 25511482.

It is a self number, because there is not a number n which added to its sum of digits gives 28411552.

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, 67599 + ... + 68017.

It is an arithmetic number, because the mean of its divisors is an integer number (1265670).

Almost surely, 2^28411552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28411552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30376080).

28411552 is an abundant number, since it is smaller than the sum of its proper divisors (32340608).

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

28411552 is a wasteful number, since it uses less digits than its factorization.

28411552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 597 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 28411552 is about 5330.2487746821. The cubic root of 28411552 is about 305.1394220588.

The spelling of 28411552 in words is "twenty-eight million, four hundred eleven thousand, five hundred fifty-two".