28874300 has 144 divisors (see below), whose sum is σ = 81661440. Its totient is φ = 8605440.

The previous prime is 28874273. The next prime is 28874317. The reversal of 28874300 is 347882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172817 + ... + 172983.

Almost surely, 2^28874300 is an apocalyptic number.

28874300 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 28874300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40830720).

28874300 is an abundant number, since it is smaller than the sum of its proper divisors (52787140).

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

28874300 is a wasteful number, since it uses less digits than its factorization.

28874300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 28874300 is about 5373.4811807617. The cubic root of 28874300 is about 306.7871428550.

The spelling of 28874300 in words is "twenty-eight million, eight hundred seventy-four thousand, three hundred".