28368527 has 8 divisors (see below), whose sum is σ = 31006800. Its totient is φ = 25740160.

The previous prime is 28368511. The next prime is 28368533. The reversal of 28368527 is 72586382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28368527 - 2⁴ = 28368511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28368827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4349 + ... + 8697.

It is an arithmetic number, because the mean of its divisors is an integer number (3875850).

Almost surely, 2^28368527 is an apocalyptic number.

28368527 is the 4349-th pentagonal number.

28368527 is a deficient number, since it is larger than the sum of its proper divisors (2638273).

28368527 is a wasteful number, since it uses less digits than its factorization.

28368527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953.

The product of its digits is 161280, while the sum is 41.

The square root of 28368527 is about 5326.2113176253. The cubic root of 28368527 is about 304.9853150683.

The spelling of 28368527 in words is "twenty-eight million, three hundred sixty-eight thousand, five hundred twenty-seven".