1648132 has 6 divisors (see below), whose sum is σ = 2884238. Its totient is φ = 824064.
The previous prime is 1648081. The next prime is 1648181. The reversal of 1648132 is 2318461.
It can be written as a sum of positive squares in only one way, i.e., 952576 + 695556 = 976^2 + 834^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1648097 and 1648106.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206013 + ... + 206020.
21648132 is an apocalyptic number.
It is an amenable number.
1648132 is a deficient number, since it is larger than the sum of its proper divisors (1236106).
1648132 is a wasteful number, since it uses less digits than its factorization.
1648132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 412037 (or 412035 counting only the distinct ones).
The product of its digits is 1152, while the sum is 25.
The square root of 1648132 is about 1283.7959339397. The cubic root of 1648132 is about 118.1219652459.
The spelling of 1648132 in words is "one million, six hundred forty-eight thousand, one hundred thirty-two".
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