254464 has 40 divisors (see below), whose sum is σ = 589248. Its totient is φ = 107520.
The previous prime is 254461. The next prime is 254489. The reversal of 254464 is 464452.
It is an Ulam number.
Its product of digits (3840) is a multiple of the sum of its prime divisors (80).
It is a nialpdrome in base 8.
It is not an unprimeable number, because it can be changed into a prime (254461) 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, 3549 + ... + 3619.
2254464 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 254464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294624).
254464 is an abundant number, since it is smaller than the sum of its proper divisors (334784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254464 is an frugal number, since it uses more digits than its factorization.
254464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96 (or 80 counting only the distinct ones).
The product of its digits is 3840, while the sum is 25.
The square root of 254464 is about 504.4442486539. Note that the first 3 decimals coincide. The cubic root of 254464 is about 63.3687951604.
It can be divided in two parts, 25 and 4464, that added together give a square (4489 = 672).
The spelling of 254464 in words is "two hundred fifty-four thousand, four hundred sixty-four".
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