245584728 has 96 divisors (see below), whose sum is σ = 722841600. Its totient is φ = 75038400.

The previous prime is 245584721. The next prime is 245584733. The reversal of 245584728 is 827485542.

245584728 is a `hidden beast` number, since 2 + 45 + 584 + 7 + 28 = 666.

245584728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245584721) 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, 39513 + ... + 45303.

It is an arithmetic number, because the mean of its divisors is an integer number (7529600).

Almost surely, 2^245584728 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 245584728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361420800).

245584728 is an abundant number, since it is smaller than the sum of its proper divisors (477256872).

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

245584728 is a wasteful number, since it uses less digits than its factorization.

245584728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853 (or 5846 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 245584728 is about 15671.1431618756. The cubic root of 245584728 is about 626.2298794736.

The spelling of 245584728 in words is "two hundred forty-five million, five hundred eighty-four thousand, seven hundred twenty-eight".