28460844 has 72 divisors (see below), whose sum is σ = 77182560. Its totient is φ = 8819712.

The previous prime is 28460843. The next prime is 28460849. The reversal of 28460844 is 44806482.

28460844 is a `hidden beast` number, since 2 + 8 + 4 + 608 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 28460799 and 28460808.

It is not an unprimeable number, because it can be changed into a prime (28460843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30172 + ... + 31100.

It is an arithmetic number, because the mean of its divisors is an integer number (1071980).

Almost surely, 2^28460844 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 28460844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38591280).

28460844 is an abundant number, since it is smaller than the sum of its proper divisors (48721716).

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

28460844 is a wasteful number, since it uses less digits than its factorization.

28460844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 28460844 is about 5334.8705701263. The cubic root of 28460844 is about 305.3157850918.

The spelling of 28460844 in words is "twenty-eight million, four hundred sixty thousand, eight hundred forty-four".