28848623 has 4 divisors (see below), whose sum is σ = 28859880. Its totient is φ = 28837368.

The previous prime is 28848607. The next prime is 28848661. The reversal of 28848623 is 32684882.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32684882 = 2 ⋅16342441.

It is a cyclic number.

It is not a de Polignac number, because 28848623 - 2⁴ = 28848607 is a prime.

It is a super-2 number, since 2×28848623² = 1664486097992258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28841623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293 + ... + 7601.

It is an arithmetic number, because the mean of its divisors is an integer number (7214970).

Almost surely, 2^28848623 is an apocalyptic number.

28848623 is a deficient number, since it is larger than the sum of its proper divisors (11257).

28848623 is an equidigital number, since it uses as much as digits as its factorization.

28848623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11256.

The product of its digits is 147456, while the sum is 41.

The square root of 28848623 is about 5371.0914160904. The cubic root of 28848623 is about 306.6961771906.

The spelling of 28848623 in words is "twenty-eight million, eight hundred forty-eight thousand, six hundred twenty-three".