655938843 has 24 divisors (see below), whose sum is σ = 1070925120. Its totient is φ = 355093200.

The previous prime is 655938841. The next prime is 655938851. The reversal of 655938843 is 348839556.

It is a happy number.

655938843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 655938843 - 2¹ = 655938841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655938841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114633 + ... + 120218.

It is an arithmetic number, because the mean of its divisors is an integer number (44621880).

Almost surely, 2^655938843 is an apocalyptic number.

655938843 is a deficient number, since it is larger than the sum of its proper divisors (414986277).

655938843 is a wasteful number, since it uses less digits than its factorization.

655938843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234887 (or 234880 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 51.

The square root of 655938843 is about 25611.3030320599. The cubic root of 655938843 is about 868.8692947440.

The spelling of 655938843 in words is "six hundred fifty-five million, nine hundred thirty-eight thousand, eight hundred forty-three".