852665 has 16 divisors (see below), whose sum is σ = 1149120. Its totient is φ = 601920.

The previous prime is 852661. The next prime is 852671. The reversal of 852665 is 566258.

It is a happy number.

It is not a de Polignac number, because 852665 - 2² = 852661 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (852661) 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, 1826 + ... + 2244.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2⁸⁵²⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

852665 is a deficient number, since it is larger than the sum of its proper divisors (296455).

852665 is a wasteful number, since it uses less digits than its factorization.

852665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its digits is 14400, while the sum is 32.

The square root of 852665 is about 923.3986138175. The cubic root of 852665 is about 94.8257192527.

It can be divided in two parts, 852 and 665, that multiplied together give a triangular number (566580 = T₁₀₆₄).

The spelling of 852665 in words is "eight hundred fifty-two thousand, six hundred sixty-five".