28153300 has 72 divisors (see below), whose sum is σ = 71773184. Its totient is φ = 9383040.

The previous prime is 28153297. The next prime is 28153303. The reversal of 28153300 is 335182.

It is an interprime number because it is at equal distance from previous prime (28153297) and next prime (28153303).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28153303) 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, 25357 + ... + 26443.

Almost surely, 2^28153300 is an apocalyptic number.

28153300 is a gapful number since it is divisible by the number (20) 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 28153300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35886592).

28153300 is an abundant number, since it is smaller than the sum of its proper divisors (43619884).

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

28153300 is a wasteful number, since it uses less digits than its factorization.

28153300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 28153300 is about 5305.9683376364. The cubic root of 28153300 is about 304.2120663661.

Adding to 28153300 its reverse (335182), we get a palindrome (28488482).

The spelling of 28153300 in words is "twenty-eight million, one hundred fifty-three thousand, three hundred".