28448464 has 20 divisors (see below), whose sum is σ = 60130080. Its totient is φ = 12931040.

The previous prime is 28448437. The next prime is 28448467. The reversal of 28448464 is 46484482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28448467) 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 3 ways as a sum of consecutive naturals, for example, 80644 + ... + 80995.

It is an arithmetic number, because the mean of its divisors is an integer number (3006504).

Almost surely, 2^28448464 is an apocalyptic number.

It is an amenable number.

28448464 is an abundant number, since it is smaller than the sum of its proper divisors (31681616).

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

28448464 is a wasteful number, since it uses less digits than its factorization.

28448464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161658 (or 161652 counting only the distinct ones).

The product of its digits is 196608, while the sum is 40.

The square root of 28448464 is about 5333.7101533548. The cubic root of 28448464 is about 305.2715095531.

The spelling of 28448464 in words is "twenty-eight million, four hundred forty-eight thousand, four hundred sixty-four".