28886244 has 24 divisors (see below), whose sum is σ = 67629408. Its totient is φ = 9596160.

The previous prime is 28886227. The next prime is 28886261. The reversal of 28886244 is 44268882.

It is an interprime number because it is at equal distance from previous prime (28886227) and next prime (28886261).

It is a junction number, because it is equal to n+sod(n) for n = 28886196 and 28886205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237 + ... + 7604.

It is an arithmetic number, because the mean of its divisors is an integer number (2817892).

Almost surely, 2^28886244 is an apocalyptic number.

It is an amenable number.

28886244 is an abundant number, since it is smaller than the sum of its proper divisors (38743164).

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

28886244 is a wasteful number, since it uses less digits than its factorization.

28886244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155 (or 8153 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 28886244 is about 5374.5924496654. The cubic root of 28886244 is about 306.8294383739.

The spelling of 28886244 in words is "twenty-eight million, eight hundred eighty-six thousand, two hundred forty-four".