1066678 has 16 divisors (see below), whose sum is σ = 1691280. Its totient is φ = 503776.

The previous prime is 1066669. The next prime is 1066687. The reversal of 1066678 is 8766601.

It is an interprime number because it is at equal distance from previous prime (1066669) and next prime (1066687).

It is a super-2 number, since 2×1066678² = 2275603911368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2901 + ... + 3247.

It is an arithmetic number, because the mean of its divisors is an integer number (105705).

2^1066678 is an apocalyptic number.

1066678 is a deficient number, since it is larger than the sum of its proper divisors (624602).

1066678 is a wasteful number, since it uses less digits than its factorization.

1066678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1066678 is about 1032.8010457005. The cubic root of 1066678 is about 102.1749528529.

The spelling of 1066678 in words is "one million, sixty-six thousand, six hundred seventy-eight".