254984 has 8 divisors (see below), whose sum is σ = 478110. Its totient is φ = 127488.

The previous prime is 254977. The next prime is 254987. The reversal of 254984 is 489452.

It can be written as a sum of positive squares in only one way, i.e., 240100 + 14884 = 490^2 + 122^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 254984.

It is not an unprimeable number, because it can be changed into a prime (254987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15929 + ... + 15944.

254984 is a Friedman number, since it can be written as 8+249*4^5, using all its digits and the basic arithmetic operations.

2²⁵⁴⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

254984 is a deficient number, since it is larger than the sum of its proper divisors (223126).

254984 is a wasteful number, since it uses less digits than its factorization.

254984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31879 (or 31875 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 254984 is about 504.9594043089. The cubic root of 254984 is about 63.4119307358.

The spelling of 254984 in words is "two hundred fifty-four thousand, nine hundred eighty-four".