255966684 has 48 divisors (see below), whose sum is σ = 605719296. Its totient is φ = 84121600.

The previous prime is 255966679. The next prime is 255966743. The reversal of 255966684 is 486669552.

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 15 ways as a sum of consecutive naturals, for example, 399004 + ... + 399644.

It is an arithmetic number, because the mean of its divisors is an integer number (12619152).

Almost surely, 2^255966684 is an apocalyptic number.

It is an amenable number.

255966684 is an abundant number, since it is smaller than the sum of its proper divisors (349752612).

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

255966684 is a wasteful number, since it uses less digits than its factorization.

255966684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1064 counting only the distinct ones).

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

The square root of 255966684 is about 15998.9588411246. The cubic root of 255966684 is about 634.9328748770.

The spelling of 255966684 in words is "two hundred fifty-five million, nine hundred sixty-six thousand, six hundred eighty-four".