940728 has 32 divisors (see below), whose sum is σ = 2476800. Its totient is φ = 296928.

The previous prime is 940727. The next prime is 940733. The reversal of 940728 is 827049.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 940695 and 940704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576 + ... + 1487.

It is an arithmetic number, because the mean of its divisors is an integer number (77400).

2⁹⁴⁰⁷²⁸ is an apocalyptic number.

It is an amenable number.

940728 is an abundant number, since it is smaller than the sum of its proper divisors (1536072).

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

940728 is a wasteful number, since it uses less digits than its factorization.

940728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091 (or 2087 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 940728 is about 969.9113361540. The cubic root of 940728 is about 97.9838929519.

The spelling of 940728 in words is "nine hundred forty thousand, seven hundred twenty-eight".