28054296 has 64 divisors (see below), whose sum is σ = 81331200. Its totient is φ = 8943264.

The previous prime is 28054277. The next prime is 28054303. The reversal of 28054296 is 69245082.

It is a happy number.

28054296 is a `hidden beast` number, since 28 + 0 + 542 + 96 = 666.

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 28054296.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2145 + ... + 7791.

It is an arithmetic number, because the mean of its divisors is an integer number (1270800).

Almost surely, 2^28054296 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 28054296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40665600).

28054296 is an abundant number, since it is smaller than the sum of its proper divisors (53276904).

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

28054296 is a wasteful number, since it uses less digits than its factorization.

28054296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685 (or 5675 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 28054296 is about 5296.6306271063. The cubic root of 28054296 is about 303.8550497800.

The spelling of 28054296 in words is "twenty-eight million, fifty-four thousand, two hundred ninety-six".