28586313 has 24 divisors (see below), whose sum is σ = 47331648. Its totient is φ = 16286112.

The previous prime is 28586297. The next prime is 28586339. The reversal of 28586313 is 31368582.

It is not a de Polignac number, because 28586313 - 2⁴ = 28586297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28586353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36595 + ... + 37367.

It is an arithmetic number, because the mean of its divisors is an integer number (1972152).

Almost surely, 2^28586313 is an apocalyptic number.

It is an amenable number.

28586313 is a deficient number, since it is larger than the sum of its proper divisors (18745335).

28586313 is a wasteful number, since it uses less digits than its factorization.

28586313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1370 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 28586313 is about 5346.6169677657. The cubic root of 28586313 is about 305.7637866910.

The spelling of 28586313 in words is "twenty-eight million, five hundred eighty-six thousand, three hundred thirteen".