7856265 has 16 divisors (see below), whose sum is σ = 12665088. Its totient is φ = 4158336.

The previous prime is 7856257. The next prime is 7856269. The reversal of 7856265 is 5626587.

It is a happy number.

7856265 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7856265 - 2³ = 7856257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7856269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144 + ... + 3966.

It is an arithmetic number, because the mean of its divisors is an integer number (791568).

Almost surely, 2^7856265 is an apocalyptic number.

It is an amenable number.

7856265 is a deficient number, since it is larger than the sum of its proper divisors (4808823).

7856265 is a wasteful number, since it uses less digits than its factorization.

7856265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968.

The product of its digits is 100800, while the sum is 39.

The square root of 7856265 is about 2802.9029594333. The cubic root of 7856265 is about 198.7949623366.

It can be divided in two parts, 785626 and 5, that added together give a triangular number (785631 = T₁₂₅₃).

The spelling of 7856265 in words is "seven million, eight hundred fifty-six thousand, two hundred sixty-five".