28352104 has 64 divisors (see below), whose sum is σ = 63129600. Its totient is φ = 11793600.

The previous prime is 28352087. The next prime is 28352113. The reversal of 28352104 is 40125382.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51559 + ... + 52105.

It is an arithmetic number, because the mean of its divisors is an integer number (986400).

Almost surely, 2^28352104 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 28352104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31564800).

28352104 is an abundant number, since it is smaller than the sum of its proper divisors (34777496).

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

28352104 is a wasteful number, since it uses less digits than its factorization.

28352104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 28352104 is about 5324.6693794075. The cubic root of 28352104 is about 304.9264500604.

Adding to 28352104 its reverse (40125382), we get a palindrome (68477486).

The spelling of 28352104 in words is "twenty-eight million, three hundred fifty-two thousand, one hundred four".