28682370 has 64 divisors (see below), whose sum is σ = 78382080. Its totient is φ = 7459200.

The previous prime is 28682359. The next prime is 28682371. The reversal of 28682370 is 7328682.

It is a happy number.

28682370 is a `hidden beast` number, since 286 + 8 + 2 + 370 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28682371) 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 31 ways as a sum of consecutive naturals, for example, 9775 + ... + 12365.

It is an arithmetic number, because the mean of its divisors is an integer number (1224720).

Almost surely, 2^28682370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28682370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39191040).

28682370 is an abundant number, since it is smaller than the sum of its proper divisors (49699710).

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

28682370 is a wasteful number, since it uses less digits than its factorization.

28682370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2642 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 28682370 is about 5355.5924042070. The cubic root of 28682370 is about 306.1058841567.

The spelling of 28682370 in words is "twenty-eight million, six hundred eighty-two thousand, three hundred seventy".