1386996 has 48 divisors (see below), whose sum is σ = 3697344. Its totient is φ = 400896.
The previous prime is 1386991. The next prime is 1387007. The reversal of 1386996 is 6996831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1386991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2391 + ... + 2913.
It is an arithmetic number, because the mean of its divisors is an integer number (77028).
21386996 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1386996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848672).
1386996 is an abundant number, since it is smaller than the sum of its proper divisors (2310348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1386996 is a wasteful number, since it uses less digits than its factorization.
1386996 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 560 (or 558 counting only the distinct ones).
The product of its digits is 69984, while the sum is 42.
The square root of 1386996 is about 1177.7079434223. The cubic root of 1386996 is about 111.5214488153.
The spelling of 1386996 in words is "one million, three hundred eighty-six thousand, nine hundred ninety-six".
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