28862448 has 40 divisors (see below), whose sum is σ = 75591888. Its totient is φ = 9487872.

The previous prime is 28862429. The next prime is 28862489. The reversal of 28862448 is 84426882.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 615 + ... + 7622.

Almost surely, 2^28862448 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 28862448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37795944).

28862448 is an abundant number, since it is smaller than the sum of its proper divisors (46729440).

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

28862448 is a wasteful number, since it uses less digits than its factorization.

28862448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8321 (or 8315 counting only the distinct ones).

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

The square root of 28862448 is about 5372.3782443160. The cubic root of 28862448 is about 306.7451615911.

The spelling of 28862448 in words is "twenty-eight million, eight hundred sixty-two thousand, four hundred forty-eight".