28976448 has 28 divisors (see below), whose sum is σ = 76667360. Its totient is φ = 9658752.

The previous prime is 28976443. The next prime is 28976461. The reversal of 28976448 is 84467982.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 28976397 and 28976406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28976443) 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, 75268 + ... + 75651.

It is an arithmetic number, because the mean of its divisors is an integer number (2738120).

Almost surely, 2^28976448 is an apocalyptic number.

It is an amenable number.

28976448 is an abundant number, since it is smaller than the sum of its proper divisors (47690912).

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

28976448 is a wasteful number, since it uses less digits than its factorization.

28976448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150934 (or 150924 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 28976448 is about 5382.9776146664. The cubic root of 28976448 is about 307.1484885418.

The spelling of 28976448 in words is "twenty-eight million, nine hundred seventy-six thousand, four hundred forty-eight".