1078666 has 8 divisors (see below), whose sum is σ = 1638720. Its totient is φ = 532428.

The previous prime is 1078657. The next prime is 1078673. The reversal of 1078666 is 6668701.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3256 + ... + 3571.

It is an arithmetic number, because the mean of its divisors is an integer number (204840).

2^1078666 is an apocalyptic number.

1078666 is a deficient number, since it is larger than the sum of its proper divisors (560054).

1078666 is an equidigital number, since it uses as much as digits as its factorization.

1078666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6908.

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

The square root of 1078666 is about 1038.5884651776. The cubic root of 1078666 is about 102.5562966570.

The spelling of 1078666 in words is "one million, seventy-eight thousand, six hundred sixty-six".