856036 has 6 divisors (see below), whose sum is σ = 1498070. Its totient is φ = 428016.

The previous prime is 856021. The next prime is 856043. The reversal of 856036 is 630658.

It can be written as a sum of positive squares in only one way, i.e., 553536 + 302500 = 744^2 + 550^2 .

It is a junction number, because it is equal to n+sod(n) for n = 855995 and 856013.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 107001 + ... + 107008.

2⁸⁵⁶⁰³⁶ is an apocalyptic number.

It is an amenable number.

856036 is a deficient number, since it is larger than the sum of its proper divisors (642034).

856036 is a wasteful number, since it uses less digits than its factorization.

856036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214013 (or 214011 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 856036 is about 925.2221354896. Note that the first 3 decimals coincide. The cubic root of 856036 is about 94.9505190152.

The spelling of 856036 in words is "eight hundred fifty-six thousand, thirty-six".