28092480 has 112 divisors (see below), whose sum is σ = 96097344. Its totient is φ = 6912000.

The previous prime is 28092451. The next prime is 28092487. The reversal of 28092480 is 8429082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28092487) 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, 11355 + ... + 13605.

It is an arithmetic number, because the mean of its divisors is an integer number (858012).

Almost surely, 2^28092480 is an apocalyptic number.

28092480 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 28092480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48048672).

28092480 is an abundant number, since it is smaller than the sum of its proper divisors (68004864).

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

28092480 is a wasteful number, since it uses less digits than its factorization.

28092480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284 (or 2274 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 28092480 is about 5300.2339571004. The cubic root of 28092480 is about 303.9928437835.

The spelling of 28092480 in words is "twenty-eight million, ninety-two thousand, four hundred eighty".