28608600 has 48 divisors (see below), whose sum is σ = 88688520. Its totient is φ = 7628800.

The previous prime is 28608599. The next prime is 28608607. The reversal of 28608600 is 680682.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28608607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23241 + ... + 24440.

Almost surely, 2^28608600 is an apocalyptic number.

28608600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28608600 is an abundant number, since it is smaller than the sum of its proper divisors (60079920).

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

28608600 is a wasteful number, since it uses less digits than its factorization.

28608600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47700 (or 47691 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 28608600 is about 5348.7007768242. The cubic root of 28608600 is about 305.8432278244.

The spelling of 28608600 in words is "twenty-eight million, six hundred eight thousand, six hundred".