28682424 has 40 divisors (see below), whose sum is σ = 80339160. Its totient is φ = 9560592.

The previous prime is 28682413. The next prime is 28682431. The reversal of 28682424 is 42428682.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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 9 ways as a sum of consecutive naturals, for example, 21484 + ... + 22779.

It is an arithmetic number, because the mean of its divisors is an integer number (2008479).

Almost surely, 2^28682424 is an apocalyptic number.

28682424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28682424 is an abundant number, since it is smaller than the sum of its proper divisors (51656736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28682424 is a wasteful number, since it uses less digits than its factorization.

28682424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44281 (or 44268 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 28682424 is about 5355.5974456637. The cubic root of 28682424 is about 306.1060762574.

The spelling of 28682424 in words is "twenty-eight million, six hundred eighty-two thousand, four hundred twenty-four".