244886 has 4 divisors (see below), whose sum is σ = 367332. Its totient is φ = 122442.
The previous prime is 244877. The next prime is 244889. The reversal of 244886 is 688442.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 688442 = 2 ⋅344221.
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (244889) by changing a digit.
244886 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 61220 + ... + 61223.
It is an arithmetic number, because the mean of its divisors is an integer number (91833).
2244886 is an apocalyptic number.
244886 is a deficient number, since it is larger than the sum of its proper divisors (122446).
244886 is a wasteful number, since it uses less digits than its factorization.
244886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122445.
The product of its digits is 12288, while the sum is 32.
The square root of 244886 is about 494.8595760415. The cubic root of 244886 is about 62.5635407127.
Subtracting 244886 from its reverse (688442), we obtain a square (443556 = 6662).
The spelling of 244886 in words is "two hundred forty-four thousand, eight hundred eighty-six".
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