28054656 has 192 divisors, whose sum is σ = 95472000. Its totient is φ = 7902720.

The previous prime is 28054633. The next prime is 28054679. The reversal of 28054656 is 65645082.

It is an interprime number because it is at equal distance from previous prime (28054633) and next prime (28054679).

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a self number, because there is not a number n which added to its sum of digits gives 28054656.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395101 + ... + 395171.

It is an arithmetic number, because the mean of its divisors is an integer number (497250).

Almost surely, 2^28054656 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 28054656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47736000).

28054656 is an abundant number, since it is smaller than the sum of its proper divisors (67417344).

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

28054656 is an equidigital number, since it uses as much as digits as its factorization.

28054656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 28054656 is about 5296.6646108660. The cubic root of 28054656 is about 303.8563494900.

The spelling of 28054656 in words is "twenty-eight million, fifty-four thousand, six hundred fifty-six".