28682452 has 12 divisors (see below), whose sum is σ = 51418836. Its totient is φ = 13991360.

The previous prime is 28682443. The next prime is 28682453. The reversal of 28682452 is 25428682.

It can be written as a sum of positive squares in 2 ways, for example, as 16613776 + 12068676 = 4076^2 + 3474^2 .

It is a super-3 number, since 3×28682452³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28682453) by changing a digit.

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, 87283 + ... + 87610.

It is an arithmetic number, because the mean of its divisors is an integer number (4284903).

Almost surely, 2^28682452 is an apocalyptic number.

It is an amenable number.

28682452 is a deficient number, since it is larger than the sum of its proper divisors (22736384).

28682452 is a wasteful number, since it uses less digits than its factorization.

28682452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174938 (or 174936 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 28682452 is about 5355.6000597505. The cubic root of 28682452 is about 306.1061758651.

The spelling of 28682452 in words is "twenty-eight million, six hundred eighty-two thousand, four hundred fifty-two".