254890 has 16 divisors (see below), whose sum is σ = 466560. Its totient is φ = 100240.

The previous prime is 254887. The next prime is 254899. The reversal of 254890 is 98452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531 + ... + 889.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2²⁵⁴⁸⁹⁰ is an apocalyptic number.

254890 is a deficient number, since it is larger than the sum of its proper divisors (211670).

254890 is a wasteful number, since it uses less digits than its factorization.

254890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 254890 is about 504.8663189400. The cubic root of 254890 is about 63.4041374963.

The spelling of 254890 in words is "two hundred fifty-four thousand, eight hundred ninety".