1006408685 has 8 divisors (see below), whose sum is σ = 1212744960. Its totient is φ = 801757264.

The previous prime is 1006408661. The next prime is 1006408691. The reversal of 1006408685 is 5868046001.

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 1006408685 - 2²⁴ = 989631469 is a prime.

It is a Curzon number.

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, 419897 + ... + 422286.

It is an arithmetic number, because the mean of its divisors is an integer number (151593120).

Almost surely, 2^1006408685 is an apocalyptic number.

It is an amenable number.

1006408685 is a deficient number, since it is larger than the sum of its proper divisors (206336275).

1006408685 is an equidigital number, since it uses as much as digits as its factorization.

1006408685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842427.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 1006408685 is about 31723.9449785174. The cubic root of 1006408685 is about 1002.1316810404.

The spelling of 1006408685 in words is "one billion, six million, four hundred eight thousand, six hundred eighty-five".