652878 has 48 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 194832.

The previous prime is 652871. The next prime is 652903. The reversal of 652878 is 878256.

It is a d-powerful number, because it can be written as 6² + 5⁸ + 8 + 2⁴ + 7² + 8⁶ .

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 652878.

It is not an unprimeable number, because it can be changed into a prime (652871) by changing a digit.

652878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7825 + ... + 7907.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2⁶⁵²⁸⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786240).

652878 is an abundant number, since it is smaller than the sum of its proper divisors (919602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

652878 is a wasteful number, since it uses less digits than its factorization.

652878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 130 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 652878 is about 808.0086633199. The cubic root of 652878 is about 86.7515703138.

The spelling of 652878 in words is "six hundred fifty-two thousand, eight hundred seventy-eight".