1067889 has 8 divisors (see below), whose sum is σ = 1507680. Its totient is φ = 670016.

The previous prime is 1067879. The next prime is 1067893. The reversal of 1067889 is 9887601.

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

It is a cyclic number.

It is not a de Polignac number, because 1067889 - 2⁷ = 1067761 is a prime.

It is a super-2 number, since 2×1067889² = 2280773832642, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1067849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10419 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (188460).

2^1067889 is an apocalyptic number.

It is an amenable number.

1067889 is a deficient number, since it is larger than the sum of its proper divisors (439791).

1067889 is a wasteful number, since it uses less digits than its factorization.

1067889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20959.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1067889 is about 1033.3871491363. The cubic root of 1067889 is about 102.2136046523.

The spelling of 1067889 in words is "one million, sixty-seven thousand, eight hundred eighty-nine".