28382976 has 108 divisors (see below), whose sum is σ = 83329792. Its totient is φ = 9289728.

The previous prime is 28382957. The next prime is 28382993. The reversal of 28382976 is 67928382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223425 + ... + 223551.

Almost surely, 2^28382976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28382976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41664896).

28382976 is an abundant number, since it is smaller than the sum of its proper divisors (54946816).

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

28382976 is a wasteful number, since it uses less digits than its factorization.

28382976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 229 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 28382976 is about 5327.5675500175. The cubic root of 28382976 is about 305.0370858783.

The spelling of 28382976 in words is "twenty-eight million, three hundred eighty-two thousand, nine hundred seventy-six".