28560030 has 16 divisors (see below), whose sum is σ = 68544144. Its totient is φ = 7616000.

The previous prime is 28560029. The next prime is 28560047. The reversal of 28560030 is 3006582.

It is a super-3 number, since 3×28560030³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475971 + ... + 476030.

It is an arithmetic number, because the mean of its divisors is an integer number (4284009).

Almost surely, 2^28560030 is an apocalyptic number.

28560030 is an abundant number, since it is smaller than the sum of its proper divisors (39984114).

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

28560030 is a wasteful number, since it uses less digits than its factorization.

28560030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952011.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 28560030 is about 5344.1584931587. The cubic root of 28560030 is about 305.6700488962.

The spelling of 28560030 in words is "twenty-eight million, five hundred sixty thousand, thirty".