28062300 has 216 divisors, whose sum is σ = 99743616. Its totient is φ = 6061440.

The previous prime is 28062299. The next prime is 28062311. The reversal of 28062300 is 326082.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 338059 + ... + 338141.

It is an arithmetic number, because the mean of its divisors is an integer number (461776).

Almost surely, 2^28062300 is an apocalyptic number.

28062300 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 28062300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49871808).

28062300 is an abundant number, since it is smaller than the sum of its proper divisors (71681316).

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

28062300 is a wasteful number, since it uses less digits than its factorization.

28062300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 28062300 is about 5297.3861479035. The cubic root of 28062300 is about 303.8839440423.

Adding to 28062300 its reverse (326082), we get a palindrome (28388382).

The spelling of 28062300 in words is "twenty-eight million, sixty-two thousand, three hundred".