28330300 has 18 divisors (see below), whose sum is σ = 61476968. Its totient is φ = 11332080.

The previous prime is 28330297. The next prime is 28330321. The reversal of 28330300 is 303382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141552 + ... + 141751.

Almost surely, 2^28330300 is an apocalyptic number.

28330300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28330300 is an abundant number, since it is smaller than the sum of its proper divisors (33146668).

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

28330300 is a wasteful number, since it uses less digits than its factorization.

28330300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283317 (or 283310 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 28330300 is about 5322.6215345448. The cubic root of 28330300 is about 304.8482627837.

Adding to 28330300 its reverse (303382), we get a palindrome (28633682).

The spelling of 28330300 in words is "twenty-eight million, three hundred thirty thousand, three hundred".