728854596 has 54 divisors (see below), whose sum is σ = 1873424826. Its totient is φ = 238924800.

The previous prime is 728854591. The next prime is 728854597. The reversal of 728854596 is 695458827.

728854596 is a `hidden beast` number, since 7 + 2 + 8 + 8 + 545 + 96 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6320196 + 722534400 = 2514^2 + 26880^2 .

It is a super-2 number, since 2×728854596² = 1062458044220646432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (728854591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 131236 + ... + 136676.

Almost surely, 2^728854596 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 728854596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936712413).

728854596 is an abundant number, since it is smaller than the sum of its proper divisors (1144570230).

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

728854596 is a wasteful number, since it uses less digits than its factorization.

728854596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573 (or 5507 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 728854596 is about 26997.3071990523. The cubic root of 728854596 is about 899.9401589842.

The spelling of 728854596 in words is "seven hundred twenty-eight million, eight hundred fifty-four thousand, five hundred ninety-six".