28164096 has 90 divisors (see below), whose sum is σ = 81786432. Its totient is φ = 9338880.

The previous prime is 28164091. The next prime is 28164107. The reversal of 28164096 is 69046182.

28164096 is a `hidden beast` number, since 2 + 8 + 1 + 640 + 9 + 6 = 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 28164096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28164091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147361 + ... + 147551.

Almost surely, 2^28164096 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 28164096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40893216).

28164096 is an abundant number, since it is smaller than the sum of its proper divisors (53622336).

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

28164096 is an equidigital number, since it uses as much as digits as its factorization.

28164096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 28164096 is about 5306.9855850567. The cubic root of 28164096 is about 304.2509469917.

The spelling of 28164096 in words is "twenty-eight million, one hundred sixty-four thousand, ninety-six".