652869 has 24 divisors (see below), whose sum is σ = 1107392. Its totient is φ = 362880.

The previous prime is 652853. The next prime is 652871. The reversal of 652869 is 968256.

It is not a de Polignac number, because 652869 - 2⁴ = 652853 is a prime.

It is a super-2 number, since 2×652869² = 852475862322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 652869.

It is not an unprimeable number, because it can be changed into a prime (652849) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 2589 + ... + 2829.

2⁶⁵²⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

652869 is a deficient number, since it is larger than the sum of its proper divisors (454523).

652869 is a wasteful number, since it uses less digits than its factorization.

652869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 294 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 652869 is about 808.0030940535. The cubic root of 652869 is about 86.7511716851.

It can be divided in two parts, 652 and 869, that added together give a square (1521 = 39²).

The spelling of 652869 in words is "six hundred fifty-two thousand, eight hundred sixty-nine".