28453360 has 80 divisors (see below), whose sum is σ = 72182880. Its totient is φ = 10368000.

The previous prime is 28453343. The next prime is 28453361. The reversal of 28453360 is 6335482.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28453361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113235 + ... + 113485.

It is an arithmetic number, because the mean of its divisors is an integer number (902286).

Almost surely, 2^28453360 is an apocalyptic number.

28453360 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 28453360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36091440).

28453360 is an abundant number, since it is smaller than the sum of its proper divisors (43729520).

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

28453360 is a wasteful number, since it uses less digits than its factorization.

28453360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 28453360 is about 5334.1691011816. The cubic root of 28453360 is about 305.2890210267.

The spelling of 28453360 in words is "twenty-eight million, four hundred fifty-three thousand, three hundred sixty".