28298300 has 36 divisors (see below), whose sum is σ = 62844936. Its totient is φ = 11054400.

The previous prime is 28298299. The next prime is 28298311. The reversal of 28298300 is 389282.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010 + ... + 7590.

Almost surely, 2^28298300 is an apocalyptic number.

28298300 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 28298300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31422468).

28298300 is an abundant number, since it is smaller than the sum of its proper divisors (34546636).

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

28298300 is a wasteful number, since it uses less digits than its factorization.

28298300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638 (or 6631 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 28298300 is about 5319.6146476977. The cubic root of 28298300 is about 304.7334408483.

The spelling of 28298300 in words is "twenty-eight million, two hundred ninety-eight thousand, three hundred".