249064 has 16 divisors (see below), whose sum is σ = 472320. Its totient is φ = 123120.
The previous prime is 249059. The next prime is 249079. The reversal of 249064 is 460942.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
249064 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 3 ways as a sum of consecutive naturals, for example, 1209 + ... + 1399.
It is an arithmetic number, because the mean of its divisors is an integer number (29520).
2249064 is an apocalyptic number.
It is an amenable number.
249064 is a deficient number, since it is larger than the sum of its proper divisors (223256).
249064 is a wasteful number, since it uses less digits than its factorization.
249064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 360 (or 356 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 249064 is about 499.0631222601. The cubic root of 249064 is about 62.9173351000.
The spelling of 249064 in words is "two hundred forty-nine thousand, sixty-four".
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