28653102 has 96 divisors (see below), whose sum is σ = 70761600. Its totient is φ = 8654688.

The previous prime is 28653089. The next prime is 28653113. The reversal of 28653102 is 20135682.

28653102 is a `hidden beast` number, since 2 + 8 + 653 + 1 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 267733 + ... + 267839.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

Almost surely, 2^28653102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28653102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35380800).

28653102 is an abundant number, since it is smaller than the sum of its proper divisors (42108498).

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

28653102 is a wasteful number, since it uses less digits than its factorization.

28653102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 28653102 is about 5352.8592359598. The cubic root of 28653102 is about 306.0017300940.

Adding to 28653102 its reverse (20135682), we get a palindrome (48788784).

The spelling of 28653102 in words is "twenty-eight million, six hundred fifty-three thousand, one hundred two".