28050300 has 90 divisors (see below), whose sum is σ = 90954248. Its totient is φ = 7477920.

The previous prime is 28050277. The next prime is 28050307. The reversal of 28050300 is 305082.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28050307) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 6369 + ... + 9831.

Almost surely, 2^28050300 is an apocalyptic number.

28050300 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 28050300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45477124).

28050300 is an abundant number, since it is smaller than the sum of its proper divisors (62903948).

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

28050300 is a wasteful number, since it uses less digits than its factorization.

28050300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489 (or 3473 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 28050300 is about 5296.2533927296. The cubic root of 28050300 is about 303.8406222519.

Adding to 28050300 its reverse (305082), we get a palindrome (28355382).

The spelling of 28050300 in words is "twenty-eight million, fifty thousand, three hundred".