300028 has 12 divisors (see below), whose sum is σ = 530712. Its totient is φ = 148400.

The previous prime is 300023. The next prime is 300043. The reversal of 300028 is 820003.

It is a junction number, because it is equal to n+sod(n) for n = 299990 and 300017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 78 + ... + 778.

It is an arithmetic number, because the mean of its divisors is an integer number (44226).

2³⁰⁰⁰²⁸ is an apocalyptic number.

It is an amenable number.

300028 is a deficient number, since it is larger than the sum of its proper divisors (230684).

300028 is a wasteful number, since it uses less digits than its factorization.

300028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 300028 is about 547.7481172948. The cubic root of 300028 is about 66.9453776237.

The spelling of 300028 in words is "three hundred thousand, twenty-eight".