1000016 has 10 divisors (see below), whose sum is σ = 1937562. Its totient is φ = 500000.
The previous prime is 1000003. The next prime is 1000033. The reversal of 1000016 is 6100001.
It can be written as a sum of positive squares in only one way, i.e., 1000000 + 16 = 1000^2 + 4^2 .
It is a Harshad number since it is a multiple of its sum of digits (8).
It is a plaindrome in base 7.
It is a zygodrome in base 7.
It is a junction number, because it is equal to n+sod(n) for n = 999967 and 1000012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31235 + ... + 31266.
21000016 is an apocalyptic number.
1000016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1000016 is a deficient number, since it is larger than the sum of its proper divisors (937546).
1000016 is an equidigital number, since it uses as much as digits as its factorization.
1000016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62509 (or 62503 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 8.
The square root of 1000016 is about 1000.0079999680. The cubic root of 1000016 is about 100.0005333305. Note that the first 3 decimals are identical.
Adding to 1000016 its reverse (6100001), we get a palindrome (7100017).
It can be divided in two parts, 100001 and 6, that multiplied together give a palindrome (600006).
The spelling of 1000016 in words is "one million, sixteen", and thus it is an aban number and an uban number.
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