7856036 has 6 divisors (see below), whose sum is σ = 13748070. Its totient is φ = 3928016.

The previous prime is 7856011. The next prime is 7856039. The reversal of 7856036 is 6306587.

It is a happy number.

7856036 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6150400 + 1705636 = 2480^2 + 1306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7855987 and 7856005.

It is not an unprimeable number, because it can be changed into a prime (7856039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982001 + ... + 982008.

It is an arithmetic number, because the mean of its divisors is an integer number (2291345).

Almost surely, 2^7856036 is an apocalyptic number.

It is an amenable number.

7856036 is a deficient number, since it is larger than the sum of its proper divisors (5892034).

7856036 is a wasteful number, since it uses less digits than its factorization.

7856036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964013 (or 1964011 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 7856036 is about 2802.8621086311. The cubic root of 7856036 is about 198.7930307788.

The spelling of 7856036 in words is "seven million, eight hundred fifty-six thousand, thirty-six".