728596 has 24 divisors (see below), whose sum is σ = 1441440. Its totient is φ = 319200.

The previous prime is 728579. The next prime is 728627. The reversal of 728596 is 695827.

728596 = 45² + 46² + ... + 131².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991 + ... + 1561.

It is an arithmetic number, because the mean of its divisors is an integer number (60060).

2⁷²⁸⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

728596 is a deficient number, since it is larger than the sum of its proper divisors (712844).

728596 is a wasteful number, since it uses less digits than its factorization.

728596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 613 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 728596 is about 853.5783502409. The cubic root of 728596 is about 89.9833714135.

It can be divided in two parts, 7285 and 96, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 728596 in words is "seven hundred twenty-eight thousand, five hundred ninety-six".