28676216 has 16 divisors (see below), whose sum is σ = 56106000. Its totient is φ = 13714624.

The previous prime is 28676213. The next prime is 28676231. The reversal of 28676216 is 61267682.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28676216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28676213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77741 + ... + 78108.

It is an arithmetic number, because the mean of its divisors is an integer number (3506625).

Almost surely, 2^28676216 is an apocalyptic number.

It is an amenable number.

28676216 is a deficient number, since it is larger than the sum of its proper divisors (27429784).

28676216 is a wasteful number, since it uses less digits than its factorization.

28676216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155878 (or 155874 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 28676216 is about 5355.0178337705. The cubic root of 28676216 is about 306.0839902157.

The spelling of 28676216 in words is "twenty-eight million, six hundred seventy-six thousand, two hundred sixteen".