28884527 has 8 divisors (see below), whose sum is σ = 34446336. Its totient is φ = 23681592.

The previous prime is 28884497. The next prime is 28884577. The reversal of 28884527 is 72548882.

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 28884527 - 2¹⁸ = 28622383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28884577) 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, 89543 + ... + 89864.

It is an arithmetic number, because the mean of its divisors is an integer number (4305792).

Almost surely, 2^28884527 is an apocalyptic number.

28884527 is a deficient number, since it is larger than the sum of its proper divisors (5561809).

28884527 is a wasteful number, since it uses less digits than its factorization.

28884527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179437.

The product of its digits is 286720, while the sum is 44.

The square root of 28884527 is about 5374.4327142499. The cubic root of 28884527 is about 306.8233589336.

The spelling of 28884527 in words is "twenty-eight million, eight hundred eighty-four thousand, five hundred twenty-seven".