28869360 has 160 divisors (see below), whose sum is σ = 101660160. Its totient is φ = 6718464.

The previous prime is 28869331. The next prime is 28869367. The reversal of 28869360 is 6396882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28869367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59037 + ... + 59523.

It is an arithmetic number, because the mean of its divisors is an integer number (635376).

Almost surely, 2^28869360 is an apocalyptic number.

28869360 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 28869360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50830080).

28869360 is an abundant number, since it is smaller than the sum of its proper divisors (72790800).

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

28869360 is a wasteful number, since it uses less digits than its factorization.

28869360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 28869360 is about 5373.0214963277. The cubic root of 28869360 is about 306.7696461547.

It can be divided in two parts, 2886 and 9360, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 28869360 in words is "twenty-eight million, eight hundred sixty-nine thousand, three hundred sixty".