28514200 has 96 divisors (see below), whose sum is σ = 77963760. Its totient is φ = 9561600.

The previous prime is 28514191. The next prime is 28514201. The reversal of 28514200 is 241582.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28514201) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 28102 + ... + 29098.

Almost surely, 2^28514200 is an apocalyptic number.

28514200 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 28514200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38981880).

28514200 is an abundant number, since it is smaller than the sum of its proper divisors (49449560).

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

28514200 is a wasteful number, since it uses less digits than its factorization.

28514200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 28514200 is about 5339.8689122487. The cubic root of 28514200 is about 305.5064594518.

Adding to 28514200 its reverse (241582), we get a palindrome (28755782).

The spelling of 28514200 in words is "twenty-eight million, five hundred fourteen thousand, two hundred".