28062680 has 32 divisors (see below), whose sum is σ = 63534240. Its totient is φ = 11155200.

The previous prime is 28062667. The next prime is 28062707. The reversal of 28062680 is 8626082.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 4580 + ... + 8780.

It is an arithmetic number, because the mean of its divisors is an integer number (1985445).

Almost surely, 2^28062680 is an apocalyptic number.

28062680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28062680 is an abundant number, since it is smaller than the sum of its proper divisors (35471560).

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

28062680 is a wasteful number, since it uses less digits than its factorization.

28062680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379 (or 4375 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 28062680 is about 5297.4220145274. The cubic root of 28062680 is about 303.8853156973.

The spelling of 28062680 in words is "twenty-eight million, sixty-two thousand, six hundred eighty".