28762200 has 216 divisors, whose sum is σ = 105303900. Its totient is φ = 7015680.

The previous prime is 28762193. The next prime is 28762207. The reversal of 28762200 is 226782.

It is an interprime number because it is at equal distance from previous prime (28762193) and next prime (28762207).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28762207) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 991786 + ... + 991814.

Almost surely, 2^28762200 is an apocalyptic number.

28762200 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 28762200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52651950).

28762200 is an abundant number, since it is smaller than the sum of its proper divisors (76541700).

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

28762200 is a wasteful number, since it uses less digits than its factorization.

28762200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 28762200 is about 5363.0401825830. The cubic root of 28762200 is about 306.3896100934.

Adding to 28762200 its reverse (226782), we get a palindrome (28988982).

The spelling of 28762200 in words is "twenty-eight million, seven hundred sixty-two thousand, two hundred".