28647162 has 64 divisors (see below), whose sum is σ = 66739200. Its totient is φ = 9097920.

The previous prime is 28647161. The next prime is 28647191. The reversal of 28647162 is 26174682.

28647162 is a `hidden beast` number, since 2 + 8 + 647 + 1 + 6 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (28647161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182388 + ... + 182544.

It is an arithmetic number, because the mean of its divisors is an integer number (1042800).

Almost surely, 2^28647162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28647162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33369600).

28647162 is an abundant number, since it is smaller than the sum of its proper divisors (38092038).

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

28647162 is a wasteful number, since it uses less digits than its factorization.

28647162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 302 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 28647162 is about 5352.3043635429. The cubic root of 28647162 is about 305.9805831586.

The spelling of 28647162 in words is "twenty-eight million, six hundred forty-seven thousand, one hundred sixty-two".