28275348 has 48 divisors (see below), whose sum is σ = 70479360. Its totient is φ = 8803200.

The previous prime is 28275323. The next prime is 28275353. The reversal of 28275348 is 84357282.

It is a super-2 number, since 2×28275348² = 1598990609042208, which contains 22 as substring.

Its product of digits (107520) is a multiple of the sum of its prime factors (2688).

It is a congruent number.

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, 9478 + ... + 12098.

It is an arithmetic number, because the mean of its divisors is an integer number (1468320).

Almost surely, 2^28275348 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 28275348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35239680).

28275348 is an abundant number, since it is smaller than the sum of its proper divisors (42204012).

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

28275348 is a wasteful number, since it uses less digits than its factorization.

28275348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688 (or 2686 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 28275348 is about 5317.4569109679. The cubic root of 28275348 is about 304.6510314958.

The spelling of 28275348 in words is "twenty-eight million, two hundred seventy-five thousand, three hundred forty-eight".