28487600 has 60 divisors (see below), whose sum is σ = 68961360. Its totient is φ = 11308800.

The previous prime is 28487587. The next prime is 28487603. The reversal of 28487600 is 678482.

It is a super-3 number, since 3×28487600³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28487603) 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, 91445 + ... + 91755.

It is an arithmetic number, because the mean of its divisors is an integer number (1149356).

Almost surely, 2^28487600 is an apocalyptic number.

28487600 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 28487600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34480680).

28487600 is an abundant number, since it is smaller than the sum of its proper divisors (40473760).

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

28487600 is a wasteful number, since it uses less digits than its factorization.

28487600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 28487600 is about 5337.3776332577. The cubic root of 28487600 is about 305.4114307748.

The spelling of 28487600 in words is "twenty-eight million, four hundred eighty-seven thousand, six hundred".