652393806 has 16 divisors (see below), whose sum is σ = 1306591104. Its totient is φ = 217164024.

The previous prime is 652393799. The next prime is 652393843. The reversal of 652393806 is 608393256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70420 + ... + 79143.

It is an arithmetic number, because the mean of its divisors is an integer number (81661944).

Almost surely, 2^652393806 is an apocalyptic number.

652393806 is an abundant number, since it is smaller than the sum of its proper divisors (654197298).

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

652393806 is a wasteful number, since it uses less digits than its factorization.

652393806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150295.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 652393806 is about 25542.0008221752. Note that the first 3 decimals coincide. The cubic root of 652393806 is about 867.3011915032.

Subtracting from 652393806 its sum of digits (42), we obtain a square (652393764 = 25542²).

The spelling of 652393806 in words is "six hundred fifty-two million, three hundred ninety-three thousand, eight hundred six".