28048104 has 192 divisors, whose sum is σ = 95472000. Its totient is φ = 7257600.

The previous prime is 28048103. The next prime is 28048117. The reversal of 28048104 is 40184082.

It is a super-2 number, since 2×28048104² = 1573392275989632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28048103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 277654 + ... + 277754.

It is an arithmetic number, because the mean of its divisors is an integer number (497250).

Almost surely, 2^28048104 is an apocalyptic number.

28048104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28048104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47736000).

28048104 is an abundant number, since it is smaller than the sum of its proper divisors (67423896).

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

28048104 is a wasteful number, since it uses less digits than its factorization.

28048104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 28048104 is about 5296.0460723072. The cubic root of 28048104 is about 303.8326930269.

It can be divided in two parts, 280 and 48104, that added together give a palindrome (48384).

The spelling of 28048104 in words is "twenty-eight million, forty-eight thousand, one hundred four".