860428 has 12 divisors (see below), whose sum is σ = 1513512. Its totient is φ = 428000.

The previous prime is 860423. The next prime is 860441. The reversal of 860428 is 824068.

It is a junction number, because it is equal to n+sod(n) for n = 860396 and 860405.

It is not an unprimeable number, because it can be changed into a prime (860423) 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 3 ways as a sum of consecutive naturals, for example, 576 + ... + 1432.

It is an arithmetic number, because the mean of its divisors is an integer number (126126).

2⁸⁶⁰⁴²⁸ is an apocalyptic number.

It is an amenable number.

860428 is a deficient number, since it is larger than the sum of its proper divisors (653084).

860428 is a wasteful number, since it uses less digits than its factorization.

860428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 860428 is about 927.5925829803. The cubic root of 860428 is about 95.1126272714.

The spelling of 860428 in words is "eight hundred sixty thousand, four hundred twenty-eight".