30028600 has 96 divisors (see below), whose sum is σ = 81021600. Its totient is φ = 10137600.

The previous prime is 30028589. The next prime is 30028627. The reversal of 30028600 is 682003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124480 + ... + 124720.

It is an arithmetic number, because the mean of its divisors is an integer number (843975).

Almost surely, 2^30028600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30028600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40510800).

30028600 is an abundant number, since it is smaller than the sum of its proper divisors (50993000).

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

30028600 is a wasteful number, since it uses less digits than its factorization.

30028600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 30028600 is about 5479.8357639623. The cubic root of 30028600 is about 310.8219601784.

It can be divided in two parts, 30028 and 600, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 30028600 in words is "thirty million, twenty-eight thousand, six hundred".