28461696 has 128 divisors (see below), whose sum is σ = 82252800. Its totient is φ = 8690688.

The previous prime is 28461691. The next prime is 28461703. The reversal of 28461696 is 69616482.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (28461691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342871 + ... + 342953.

It is an arithmetic number, because the mean of its divisors is an integer number (642600).

Almost surely, 2^28461696 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 28461696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41126400).

28461696 is an abundant number, since it is smaller than the sum of its proper divisors (53791104).

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

28461696 is a wasteful number, since it uses less digits than its factorization.

28461696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 154 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 28461696 is about 5334.9504215128. The cubic root of 28461696 is about 305.3188316922.

The spelling of 28461696 in words is "twenty-eight million, four hundred sixty-one thousand, six hundred ninety-six".