244989 has 12 divisors (see below), whose sum is σ = 358176. Its totient is φ = 161352.
The previous prime is 244957. The next prime is 244997. The reversal of 244989 is 989442.
It is a happy number.
It is not a de Polignac number, because 244989 - 25 = 244957 is a prime.
It is a super-2 number, since 2×2449892 = 120039220242, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (244939) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1384 + ... + 1550.
It is an arithmetic number, because the mean of its divisors is an integer number (29848).
2244989 is an apocalyptic number.
It is an amenable number.
244989 is a deficient number, since it is larger than the sum of its proper divisors (113187).
244989 is a wasteful number, since it uses less digits than its factorization.
244989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 336 (or 333 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 244989 is about 494.9636350279. The cubic root of 244989 is about 62.5723109724.
Adding to 244989 its sum of digits (36), we get a square (245025 = 4952).
The spelling of 244989 in words is "two hundred forty-four thousand, nine hundred eighty-nine".
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