28682576 has 40 divisors (see below), whose sum is σ = 60699240. Its totient is φ = 13049856.

The previous prime is 28682573. The next prime is 28682579. The reversal of 28682576 is 67528682.

It is an interprime number because it is at equal distance from previous prime (28682573) and next prime (28682579).

It can be written as a sum of positive squares in 4 ways, for example, as 1392400 + 27290176 = 1180^2 + 5224^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28682573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14240 + ... + 16128.

It is an arithmetic number, because the mean of its divisors is an integer number (1517481).

Almost surely, 2^28682576 is an apocalyptic number.

28682576 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28682576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30349620).

28682576 is an abundant number, since it is smaller than the sum of its proper divisors (32016664).

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

28682576 is a wasteful number, since it uses less digits than its factorization.

28682576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983 (or 1977 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 28682576 is about 5355.6116364053. The cubic root of 28682576 is about 306.1066169839.

The spelling of 28682576 in words is "twenty-eight million, six hundred eighty-two thousand, five hundred seventy-six".