862728 has 32 divisors (see below), whose sum is σ = 2184000. Its totient is φ = 283968.

The previous prime is 862727. The next prime is 862739. The reversal of 862728 is 827268.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 862728.

It is not an unprimeable number, because it can be changed into a prime (862727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2298 + ... + 2646.

It is an arithmetic number, because the mean of its divisors is an integer number (68250).

2⁸⁶²⁷²⁸ is an apocalyptic number.

It is an amenable number.

862728 is an abundant number, since it is smaller than the sum of its proper divisors (1321272).

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

862728 is a wasteful number, since it uses less digits than its factorization.

862728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 457 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 862728 is about 928.8315240128. The cubic root of 862728 is about 95.1973000199.

The spelling of 862728 in words is "eight hundred sixty-two thousand, seven hundred twenty-eight".