28884348 has 72 divisors (see below), whose sum is σ = 76767600. Its totient is φ = 9144576.

The previous prime is 28884341. The next prime is 28884371. The reversal of 28884348 is 84348882.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28884341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76023 + ... + 76401.

Almost surely, 2^28884348 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 28884348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38383800).

28884348 is an abundant number, since it is smaller than the sum of its proper divisors (47883252).

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

28884348 is a wasteful number, since it uses less digits than its factorization.

28884348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 486 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 28884348 is about 5374.4160613038. The cubic root of 28884348 is about 306.8227251284.

The spelling of 28884348 in words is "twenty-eight million, eight hundred eighty-four thousand, three hundred forty-eight".