1006678 has 4 divisors (see below), whose sum is σ = 1510020. Its totient is φ = 503338.

The previous prime is 1006651. The next prime is 1006711. The reversal of 1006678 is 8766001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8766001 = 317 ⋅27653.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251668 + ... + 251671.

It is an arithmetic number, because the mean of its divisors is an integer number (377505).

2^1006678 is an apocalyptic number.

1006678 is a deficient number, since it is larger than the sum of its proper divisors (503342).

1006678 is an equidigital number, since it uses as much as digits as its factorization.

1006678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503341.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1006678 is about 1003.3334440753. Note that the first 3 decimals coincide. The cubic root of 1006678 is about 100.2221063226. Note that the first 3 decimals are identical.

The spelling of 1006678 in words is "one million, six thousand, six hundred seventy-eight".