255499838 has 8 divisors (see below), whose sum is σ = 418090680. Its totient is φ = 116136280.

The previous prime is 255499793. The next prime is 255499841. The reversal of 255499838 is 838994552.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 255499838.

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, 5806793 + ... + 5806836.

It is an arithmetic number, because the mean of its divisors is an integer number (52261335).

Almost surely, 2^255499838 is an apocalyptic number.

255499838 is a deficient number, since it is larger than the sum of its proper divisors (162590842).

255499838 is a wasteful number, since it uses less digits than its factorization.

255499838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11613642.

The product of its digits is 3110400, while the sum is 53.

The square root of 255499838 is about 15984.3622956939. The cubic root of 255499838 is about 634.5466315613.

The spelling of 255499838 in words is "two hundred fifty-five million, four hundred ninety-nine thousand, eight hundred thirty-eight".