254394 has 32 divisors (see below), whose sum is σ = 647040. Its totient is φ = 72576.

The previous prime is 254389. The next prime is 254407. The reversal of 254394 is 493452.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon 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 in 15 ways as a sum of consecutive naturals, for example, 42 + ... + 714.

It is an arithmetic number, because the mean of its divisors is an integer number (20220).

2²⁵⁴³⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 254394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323520).

254394 is an abundant number, since it is smaller than the sum of its proper divisors (392646).

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

254394 is a wasteful number, since it uses less digits than its factorization.

254394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 685 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 254394 is about 504.3748605948. The cubic root of 254394 is about 63.3629839619.

The spelling of 254394 in words is "two hundred fifty-four thousand, three hundred ninety-four".