1630132 has 18 divisors (see below), whose sum is σ = 3318882. Its totient is φ = 698544.
The previous prime is 1630129. The next prime is 1630133. The reversal of 1630132 is 2310361.
It can be written as a sum of positive squares in only one way, i.e., 1623076 + 7056 = 1274^2 + 84^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1630133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3963 + ... + 4354.
21630132 is an apocalyptic number.
It is an amenable number.
1630132 is an abundant number, since it is smaller than the sum of its proper divisors (1688750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1630132 is a wasteful number, since it uses less digits than its factorization.
1630132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8335 (or 8326 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 1630132 is about 1276.7662276235. The cubic root of 1630132 is about 117.6903689364.
Adding to 1630132 its reverse (2310361), we get a palindrome (3940493).
The spelling of 1630132 in words is "one million, six hundred thirty thousand, one hundred thirty-two".
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