28495152 has 140 divisors (see below), whose sum is σ = 94872400. Its totient is φ = 8118144.

The previous prime is 28495147. The next prime is 28495153. The reversal of 28495152 is 25159482.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (28495153) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 81474 + ... + 81822.

It is an arithmetic number, because the mean of its divisors is an integer number (677660).

Almost surely, 2^28495152 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 28495152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47436200).

28495152 is an abundant number, since it is smaller than the sum of its proper divisors (66377248).

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

28495152 is an equidigital number, since it uses as much as digits as its factorization.

28495152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 361 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 28495152 is about 5338.0850499032. The cubic root of 28495152 is about 305.4384163561.

It can be divided in two parts, 2849 and 5152, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 28495152 in words is "twenty-eight million, four hundred ninety-five thousand, one hundred fifty-two".