728955 has 24 divisors (see below), whose sum is σ = 1284192. Its totient is φ = 382464.

The previous prime is 728953. The next prime is 728969. The reversal of 728955 is 559827.

It is not a de Polignac number, because 728955 - 2¹ = 728953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (728953) 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, 4282 + ... + 4448.

It is an arithmetic number, because the mean of its divisors is an integer number (53508).

2⁷²⁸⁹⁵⁵ is an apocalyptic number.

728955 is a deficient number, since it is larger than the sum of its proper divisors (555237).

728955 is a wasteful number, since it uses less digits than its factorization.

728955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 272 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 728955 is about 853.7886155249. The cubic root of 728955 is about 89.9981481100.

It can be divided in two parts, 72895 and 5, that added together give a square (72900 = 270²).

The spelling of 728955 in words is "seven hundred twenty-eight thousand, nine hundred fifty-five".