254428 has 6 divisors (see below), whose sum is σ = 445256. Its totient is φ = 127212.

The previous prime is 254413. The next prime is 254437. The reversal of 254428 is 824452.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 31800 + ... + 31807.

2²⁵⁴⁴²⁸ is an apocalyptic number.

It is an amenable number.

254428 is a deficient number, since it is larger than the sum of its proper divisors (190828).

254428 is a wasteful number, since it uses less digits than its factorization.

254428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63611 (or 63609 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 254428 is about 504.4085645585. The cubic root of 254428 is about 63.3658066771.

The spelling of 254428 in words is "two hundred fifty-four thousand, four hundred twenty-eight".