28942848 has 120 divisors (see below), whose sum is σ = 91284336. Its totient is φ = 8755200.

The previous prime is 28942829. The next prime is 28942867. The reversal of 28942848 is 84824982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28942829) and next prime (28942867).

It is a super-2 number, since 2×28942848² = 1675376900702208, which contains 22 as substring.

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

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, 50403 + ... + 50973.

Almost surely, 2^28942848 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 28942848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45642168).

28942848 is an abundant number, since it is smaller than the sum of its proper divisors (62341488).

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

28942848 is a wasteful number, since it uses less digits than its factorization.

28942848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 587 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 28942848 is about 5379.8557601482. The cubic root of 28942848 is about 307.0297233438.

The spelling of 28942848 in words is "twenty-eight million, nine hundred forty-two thousand, eight hundred forty-eight".