28063360 has 64 divisors (see below), whose sum is σ = 72271080. Its totient is φ = 10358784.

The previous prime is 28063351. The next prime is 28063367. The reversal of 28063360 is 6336082.

It can be written as a sum of positive squares in 4 ways, for example, as 25321024 + 2742336 = 5032^2 + 1656^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (28063367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6634 + ... + 10006.

Almost surely, 2^28063360 is an apocalyptic number.

28063360 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 28063360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36135540).

28063360 is an abundant number, since it is smaller than the sum of its proper divisors (44207720).

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

28063360 is a wasteful number, since it uses less digits than its factorization.

28063360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405 (or 3393 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 28063360 is about 5297.4861963010. The cubic root of 28063360 is about 303.8877702068.

The spelling of 28063360 in words is "twenty-eight million, sixty-three thousand, three hundred sixty".