961728 has 28 divisors (see below), whose sum is σ = 2545080. Its totient is φ = 320512.

The previous prime is 961703. The next prime is 961729. The reversal of 961728 is 827169.

It is not an unprimeable number, because it can be changed into a prime (961729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313 + ... + 2696.

2⁹⁶¹⁷²⁸ is an apocalyptic number.

It is an amenable number.

961728 is an abundant number, since it is smaller than the sum of its proper divisors (1583352).

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

961728 is a wasteful number, since it uses less digits than its factorization.

961728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024 (or 5014 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 961728 is about 980.6773169601. The cubic root of 961728 is about 98.7076365850.

The spelling of 961728 in words is "nine hundred sixty-one thousand, seven hundred twenty-eight".