652394986 has 8 divisors (see below), whose sum is σ = 979392420. Its totient is φ = 325930848.

The previous prime is 652394983. The next prime is 652394987. The reversal of 652394986 is 689493256.

652394986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 543589225 + 108805761 = 23315^2 + 10431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (652394983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130251 + ... + 135166.

Almost surely, 2^652394986 is an apocalyptic number.

652394986 is a deficient number, since it is larger than the sum of its proper divisors (326997434).

652394986 is a wasteful number, since it uses less digits than its factorization.

652394986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266648.

The product of its digits is 2799360, while the sum is 52.

The square root of 652394986 is about 25542.0239213732. The cubic root of 652394986 is about 867.3017144056.

It can be divided in two parts, 65239 and 4986, that added together give a square (70225 = 265²).

The spelling of 652394986 in words is "six hundred fifty-two million, three hundred ninety-four thousand, nine hundred eighty-six".