254406 has 16 divisors (see below), whose sum is σ = 514800. Its totient is φ = 83808.

The previous prime is 254389. The next prime is 254407. The reversal of 254406 is 604452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254407) by changing a digit.

254406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460 + ... + 848.

It is an arithmetic number, because the mean of its divisors is an integer number (32175).

2²⁵⁴⁴⁰⁶ is an apocalyptic number.

254406 is an abundant number, since it is smaller than the sum of its proper divisors (260394).

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

254406 is a wasteful number, since it uses less digits than its factorization.

254406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 254406 is about 504.3867563686. The cubic root of 254406 is about 63.3639802430.

Adding to 254406 its reverse (604452), we get a palindrome (858858).

The spelling of 254406 in words is "two hundred fifty-four thousand, four hundred six".