1006887 has 8 divisors (see below), whose sum is σ = 1534336. Its totient is φ = 575352.

The previous prime is 1006883. The next prime is 1006891. The reversal of 1006887 is 7886001.

It is an interprime number because it is at equal distance from previous prime (1006883) and next prime (1006891).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1006887 - 2² = 1006883 is a prime.

It is a Duffinian number.

1006887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23953 + ... + 23994.

It is an arithmetic number, because the mean of its divisors is an integer number (191792).

2^1006887 is an apocalyptic number.

1006887 is a deficient number, since it is larger than the sum of its proper divisors (527449).

1006887 is an equidigital number, since it uses as much as digits as its factorization.

1006887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47957.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 1006887 is about 1003.4375914824. The cubic root of 1006887 is about 100.2290416653.

The spelling of 1006887 in words is "one million, six thousand, eight hundred eighty-seven".