28053792 has 144 divisors (see below), whose sum is σ = 88058880. Its totient is φ = 8418816.

The previous prime is 28053787. The next prime is 28053821. The reversal of 28053792 is 29735082.

It is a happy number.

28053792 is a `hidden beast` number, since 280 + 5 + 379 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

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, 220833 + ... + 220959.

It is an arithmetic number, because the mean of its divisors is an integer number (611520).

Almost surely, 2^28053792 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 28053792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44029440).

28053792 is an abundant number, since it is smaller than the sum of its proper divisors (60005088).

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

28053792 is a wasteful number, since it uses less digits than its factorization.

28053792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 28053792 is about 5296.5830494763. The cubic root of 28053792 is about 303.8532301673.

The spelling of 28053792 in words is "twenty-eight million, fifty-three thousand, seven hundred ninety-two".