255898 has 8 divisors (see below), whose sum is σ = 400608. Its totient is φ = 122364.

The previous prime is 255887. The next prime is 255907. The reversal of 255898 is 898552.

It is a happy number.

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

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, 2736 + ... + 2827.

It is an arithmetic number, because the mean of its divisors is an integer number (50076).

2²⁵⁵⁸⁹⁸ is an apocalyptic number.

255898 is a deficient number, since it is larger than the sum of its proper divisors (144710).

255898 is a wasteful number, since it uses less digits than its factorization.

255898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588.

The product of its digits is 28800, while the sum is 37.

The square root of 255898 is about 505.8636179841. The cubic root of 255898 is about 63.4876078904.

The spelling of 255898 in words is "two hundred fifty-five thousand, eight hundred ninety-eight".