28670200 has 48 divisors (see below), whose sum is σ = 71792280. Its totient is φ = 10584960.

The previous prime is 28670197. The next prime is 28670209. The reversal of 28670200 is 207682.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28670209) 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, 2914 + ... + 8113.

Almost surely, 2^28670200 is an apocalyptic number.

28670200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28670200 is an abundant number, since it is smaller than the sum of its proper divisors (43122080).

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

28670200 is a wasteful number, since it uses less digits than its factorization.

28670200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056 (or 11047 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 28670200 is about 5354.4560881569. The cubic root of 28670200 is about 306.0625842060.

Adding to 28670200 its reverse (207682), we get a palindrome (28877882).

The spelling of 28670200 in words is "twenty-eight million, six hundred seventy thousand, two hundred".