28650576 has 40 divisors (see below), whose sum is σ = 78369984. Its totient is φ = 8988160.

The previous prime is 28650563. The next prime is 28650631. The reversal of 28650576 is 67505682.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16740 + ... + 18371.

Almost surely, 2^28650576 is an apocalyptic number.

It is an amenable number.

28650576 is an abundant number, since it is smaller than the sum of its proper divisors (49719408).

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

28650576 is a wasteful number, since it uses less digits than its factorization.

28650576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35139 (or 35133 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 28650576 is about 5352.6232820926. The cubic root of 28650576 is about 305.9927376635.

The spelling of 28650576 in words is "twenty-eight million, six hundred fifty thousand, five hundred seventy-six".