247004 has 6 divisors (see below), whose sum is σ = 432264. Its totient is φ = 123500.
The previous prime is 247001. The next prime is 247007. The reversal of 247004 is 400742.
It is an interprime number because it is at equal distance from previous prime (247001) and next prime (247007).
It is a super-2 number, since 2×2470042 = 122021952032, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (247001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30872 + ... + 30879.
It is an arithmetic number, because the mean of its divisors is an integer number (72044).
2247004 is an apocalyptic number.
It is an amenable number.
247004 is a deficient number, since it is larger than the sum of its proper divisors (185260).
247004 is a wasteful number, since it uses less digits than its factorization.
247004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61755 (or 61753 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 17.
The square root of 247004 is about 496.9949697935. The cubic root of 247004 is about 62.7433922662.
Adding to 247004 its reverse (400742), we get a palindrome (647746).
The spelling of 247004 in words is "two hundred forty-seven thousand, four", and thus it is an iban number.
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