255969838 has 8 divisors (see below), whose sum is σ = 386076600. Its totient is φ = 127277640.

The previous prime is 255969809. The next prime is 255969851. The reversal of 255969838 is 838969552.

255969838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353188 + ... + 353911.

It is an arithmetic number, because the mean of its divisors is an integer number (48259575).

Almost surely, 2^255969838 is an apocalyptic number.

255969838 is a deficient number, since it is larger than the sum of its proper divisors (130106762).

255969838 is a wasteful number, since it uses less digits than its factorization.

255969838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707282.

The product of its digits is 4665600, while the sum is 55.

The square root of 255969838 is about 15999.0574097351. The cubic root of 255969838 is about 634.9354827295.

The spelling of 255969838 in words is "two hundred fifty-five million, nine hundred sixty-nine thousand, eight hundred thirty-eight".