1006881 has 16 divisors (see below), whose sum is σ = 1415424. Its totient is φ = 635904.

The previous prime is 1006879. The next prime is 1006883. The reversal of 1006881 is 1886001.

It is an interprime number because it is at equal distance from previous prime (1006879) and next prime (1006883).

It is not a de Polignac number, because 1006881 - 2¹ = 1006879 is a prime.

It is a super-2 number, since 2×1006881² = 2027618696322, which contains 22 as substring.

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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5121 + ... + 5313.

It is an arithmetic number, because the mean of its divisors is an integer number (88464).

2^1006881 is an apocalyptic number.

It is an amenable number.

1006881 is a deficient number, since it is larger than the sum of its proper divisors (408543).

1006881 is a wasteful number, since it uses less digits than its factorization.

1006881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 1006881 is about 1003.4346017554. The cubic root of 1006881 is about 100.2288425779.

The spelling of 1006881 in words is "one million, six thousand, eight hundred eighty-one".