652443678 has 24 divisors (see below), whose sum is σ = 1436804616. Its totient is φ = 213915600.

The previous prime is 652443677. The next prime is 652443683. The reversal of 652443678 is 876344256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652443677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 296008 + ... + 298203.

It is an arithmetic number, because the mean of its divisors is an integer number (59866859).

Almost surely, 2^652443678 is an apocalyptic number.

652443678 is an abundant number, since it is smaller than the sum of its proper divisors (784360938).

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

652443678 is a wasteful number, since it uses less digits than its factorization.

652443678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594280 (or 594277 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 652443678 is about 25542.9770778584. The cubic root of 652443678 is about 867.3232911116.

The spelling of 652443678 in words is "six hundred fifty-two million, four hundred forty-three thousand, six hundred seventy-eight".