254028 has 12 divisors (see below), whose sum is σ = 592760. Its totient is φ = 84672.

The previous prime is 254027. The next prime is 254039. The reversal of 254028 is 820452.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 253995 and 254013.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254028.

It is not an unprimeable number, because it can be changed into a prime (254021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10573 + ... + 10596.

2²⁵⁴⁰²⁸ is an apocalyptic number.

It is an amenable number.

254028 is an abundant number, since it is smaller than the sum of its proper divisors (338732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254028 is a wasteful number, since it uses less digits than its factorization.

254028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21176 (or 21174 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 254028 is about 504.0119046213. The cubic root of 254028 is about 63.3325823241.

The spelling of 254028 in words is "two hundred fifty-four thousand, twenty-eight".