649324 has 12 divisors (see below), whose sum is σ = 1223824. Its totient is φ = 299664.
The previous prime is 649321. The next prime is 649361. The reversal of 649324 is 423946.
649324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is an Ulam number.
It is a d-powerful number, because it can be written as 66 + 46 + 37 + 94 + 219 + 48 .
It is a junction number, because it is equal to n+sod(n) for n = 649292 and 649301.
It is not an unprimeable number, because it can be changed into a prime (649321) 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, 6192 + ... + 6295.
2649324 is an apocalyptic number.
It is an amenable number.
649324 is a deficient number, since it is larger than the sum of its proper divisors (574500).
649324 is a wasteful number, since it uses less digits than its factorization.
649324 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12504 (or 12502 counting only the distinct ones).
The product of its digits is 5184, while the sum is 28.
The square root of 649324 is about 805.8064283685. The cubic root of 649324 is about 86.5938704955.
It can be divided in two parts, 649 and 324, that multiplied together give a triangular number (210276 = T648).
The spelling of 649324 in words is "six hundred forty-nine thousand, three hundred twenty-four".
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