28466448 has 20 divisors (see below), whose sum is σ = 73538448. Its totient is φ = 9488800.

The previous prime is 28466437. The next prime is 28466461. The reversal of 28466448 is 84466482.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296478 + ... + 296573.

Almost surely, 2^28466448 is an apocalyptic number.

It is an amenable number.

28466448 is an abundant number, since it is smaller than the sum of its proper divisors (45072000).

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

28466448 is a wasteful number, since it uses less digits than its factorization.

28466448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593062 (or 593056 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 28466448 is about 5335.3957678883. The cubic root of 28466448 is about 305.3358228833.

The spelling of 28466448 in words is "twenty-eight million, four hundred sixty-six thousand, four hundred forty-eight".