1382001 has 8 divisors (see below), whose sum is σ = 1922880. Its totient is φ = 881232.
The previous prime is 1381999. The next prime is 1382021. The reversal of 1382001 is 1002831.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1382001 - 21 = 1381999 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1382021) 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, 9946 + ... + 10083.
It is an arithmetic number, because the mean of its divisors is an integer number (240360).
21382001 is an apocalyptic number.
It is an amenable number.
1382001 is a deficient number, since it is larger than the sum of its proper divisors (540879).
1382001 is a wasteful number, since it uses less digits than its factorization.
1382001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20055.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 1382001 is about 1175.5853860949. The cubic root of 1382001 is about 111.3874134179.
Subtracting from 1382001 its product of nonzero digits (48), we obtain a triangular number (1381953 = T1662).
Adding to 1382001 its reverse (1002831), we get a palindrome (2384832).
The spelling of 1382001 in words is "one million, three hundred eighty-two thousand, one".
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