28606500 has 192 divisors, whose sum is σ = 100289280. Its totient is φ = 6998400.

The previous prime is 28606493. The next prime is 28606511. The reversal of 28606500 is 560682.

28606500 is a `hidden beast` number, since 2 + 8 + 6 + 0 + 650 + 0 = 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 63 ways as a sum of consecutive naturals, for example, 175419 + ... + 175581.

It is an arithmetic number, because the mean of its divisors is an integer number (522340).

Almost surely, 2^28606500 is an apocalyptic number.

28606500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28606500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50144640).

28606500 is an abundant number, since it is smaller than the sum of its proper divisors (71682780).

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

28606500 is a wasteful number, since it uses less digits than its factorization.

28606500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 186 counting only the distinct ones).

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

The square root of 28606500 is about 5348.5044638665. The cubic root of 28606500 is about 305.8357442181.

The spelling of 28606500 in words is "twenty-eight million, six hundred six thousand, five hundred".