652842 has 12 divisors (see below), whose sum is σ = 1414530. Its totient is φ = 217608.

The previous prime is 652837. The next prime is 652849. The reversal of 652842 is 248256.

652842 is a `hidden beast` number, since 652 + 8 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 370881 + 281961 = 609^2 + 531^2 .

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 5 ways as a sum of consecutive naturals, for example, 18117 + ... + 18152.

2⁶⁵²⁸⁴² is an apocalyptic number.

652842 is an abundant number, since it is smaller than the sum of its proper divisors (761688).

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

652842 is a wasteful number, since it uses less digits than its factorization.

652842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36277 (or 36274 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 652842 is about 807.9863860239. The cubic root of 652842 is about 86.7499757770.

The spelling of 652842 in words is "six hundred fifty-two thousand, eight hundred forty-two".