28653030 has 48 divisors (see below), whose sum is σ = 85142304. Its totient is φ = 6549120.

The previous prime is 28653029. The next prime is 28653049. The reversal of 28653030 is 3035682.

28653030 is a `hidden beast` number, since 2 + 8 + 653 + 0 + 3 + 0 = 666.

It is a super-2 number, since 2×28653030² = 1641992256361800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28652985 and 28653003.

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, 22111 + ... + 23370.

It is an arithmetic number, because the mean of its divisors is an integer number (1773798).

Almost surely, 2^28653030 is an apocalyptic number.

28653030 is an abundant number, since it is smaller than the sum of its proper divisors (56489274).

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

28653030 is a wasteful number, since it uses less digits than its factorization.

28653030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45501 (or 45498 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 28653030 is about 5352.8525105779. The cubic root of 28653030 is about 306.0014737850.

The spelling of 28653030 in words is "twenty-eight million, six hundred fifty-three thousand, thirty".