28682369 has 8 divisors (see below), whose sum is σ = 29082240. Its totient is φ = 28285200.

The previous prime is 28682359. The next prime is 28682371. The reversal of 28682369 is 96328682.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28682369 is a prime.

It is a super-2 number, since 2×28682369² = 1645356582904322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28682359) 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 7 ways as a sum of consecutive naturals, for example, 29054 + ... + 30024.

It is an arithmetic number, because the mean of its divisors is an integer number (3635280).

Almost surely, 2^28682369 is an apocalyptic number.

It is an amenable number.

28682369 is a deficient number, since it is larger than the sum of its proper divisors (399871).

28682369 is a wasteful number, since it uses less digits than its factorization.

28682369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351.

The product of its digits is 248832, while the sum is 44.

The square root of 28682369 is about 5355.5923108467. The cubic root of 28682369 is about 306.1058805993.

The spelling of 28682369 in words is "twenty-eight million, six hundred eighty-two thousand, three hundred sixty-nine".