28062944 has 96 divisors (see below), whose sum is σ = 71124480. Its totient is φ = 10593792.

The previous prime is 28062941. The next prime is 28062953. The reversal of 28062944 is 44926082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28062941) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 66767 + ... + 67185.

It is an arithmetic number, because the mean of its divisors is an integer number (740880).

Almost surely, 2^28062944 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 28062944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35562240).

28062944 is an abundant number, since it is smaller than the sum of its proper divisors (43061536).

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

28062944 is a wasteful number, since it uses less digits than its factorization.

28062944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 28062944 is about 5297.4469322495. The cubic root of 28062944 is about 303.8862686292.

The spelling of 28062944 in words is "twenty-eight million, sixty-two thousand, nine hundred forty-four".