1006851 has 16 divisors (see below), whose sum is σ = 1416960. Its totient is φ = 635040.

The previous prime is 1006847. The next prime is 1006853. The reversal of 1006851 is 1586001.

It is not a de Polignac number, because 1006851 - 2² = 1006847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1006853) 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, 6096 + ... + 6258.

It is an arithmetic number, because the mean of its divisors is an integer number (88560).

2^1006851 is an apocalyptic number.

1006851 is a deficient number, since it is larger than the sum of its proper divisors (410109).

1006851 is a wasteful number, since it uses less digits than its factorization.

1006851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1006851 is about 1003.4196529867. The cubic root of 1006851 is about 100.2278471292.

The spelling of 1006851 in words is "one million, six thousand, eight hundred fifty-one".