28616576 has 32 divisors (see below), whose sum is σ = 60367680. Its totient is φ = 13465600.

The previous prime is 28616573. The next prime is 28616579. The reversal of 28616576 is 67561682.

It is an interprime number because it is at equal distance from previous prime (28616573) and next prime (28616579).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28616573) 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 3 ways as a sum of consecutive naturals, for example, 4400 + ... + 8751.

It is an arithmetic number, because the mean of its divisors is an integer number (1886490).

Almost surely, 2^28616576 is an apocalyptic number.

It is an amenable number.

28616576 is an abundant number, since it is smaller than the sum of its proper divisors (31751104).

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

28616576 is a wasteful number, since it uses less digits than its factorization.

28616576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13182 (or 13170 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 28616576 is about 5349.4463264902. The cubic root of 28616576 is about 305.8716479372.

It can be divided in two parts, 28616 and 576, that added together give a palindrome (29192).

The spelling of 28616576 in words is "twenty-eight million, six hundred sixteen thousand, five hundred seventy-six".