28231024 has 20 divisors (see below), whose sum is σ = 55119240. Its totient is φ = 14006720.

The previous prime is 28231019. The next prime is 28231043. The reversal of 28231024 is 42013282.

It is a junction number, because it is equal to n+sod(n) for n = 28230986 and 28231004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4639 + ... + 8830.

It is an arithmetic number, because the mean of its divisors is an integer number (2755962).

Almost surely, 2^28231024 is an apocalyptic number.

It is an amenable number.

28231024 is a deficient number, since it is larger than the sum of its proper divisors (26888216).

28231024 is a wasteful number, since it uses less digits than its factorization.

28231024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13608 (or 13602 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 28231024 is about 5313.2874945743. The cubic root of 28231024 is about 304.4917594879.

The spelling of 28231024 in words is "twenty-eight million, two hundred thirty-one thousand, twenty-four".