28336448 has 56 divisors (see below), whose sum is σ = 67665600. Its totient is φ = 11501568.

The previous prime is 28336439. The next prime is 28336457. The reversal of 28336448 is 84463382.

It is an interprime number because it is at equal distance from previous prime (28336439) and next prime (28336457).

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 6848 + ... + 10176.

Almost surely, 2^28336448 is an apocalyptic number.

28336448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28336448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33832800).

28336448 is an abundant number, since it is smaller than the sum of its proper divisors (39329152).

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

28336448 is a wasteful number, since it uses less digits than its factorization.

28336448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367 (or 3357 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 28336448 is about 5323.1990381724. The cubic root of 28336448 is about 304.8703130451.

The spelling of 28336448 in words is "twenty-eight million, three hundred thirty-six thousand, four hundred forty-eight".