1897132 has 24 divisors (see below), whose sum is σ = 3671136. Its totient is φ = 853248.
The previous prime is 1897127. The next prime is 1897139. The reversal of 1897132 is 2317981.
It is a junction number, because it is equal to n+sod(n) for n = 1897094 and 1897103.
It is not an unprimeable number, because it can be changed into a prime (1897139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958 + ... + 2170.
It is an arithmetic number, because the mean of its divisors is an integer number (152964).
21897132 is an apocalyptic number.
It is an amenable number.
1897132 is a deficient number, since it is larger than the sum of its proper divisors (1774004).
1897132 is a wasteful number, since it uses less digits than its factorization.
1897132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1257 (or 1255 counting only the distinct ones).
The product of its digits is 3024, while the sum is 31.
The square root of 1897132 is about 1377.3641493810. The cubic root of 1897132 is about 123.7938823388.
The spelling of 1897132 in words is "one million, eight hundred ninety-seven thousand, one hundred thirty-two".
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