3081986 has 8 divisors (see below), whose sum is σ = 4630800. Its totient is φ = 1538388.

The previous prime is 3081959. The next prime is 3082021. The reversal of 3081986 is 6891803.

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, 965 + ... + 2663.

It is an arithmetic number, because the mean of its divisors is an integer number (578850).

Almost surely, 2^3081986 is an apocalyptic number.

3081986 is a deficient number, since it is larger than the sum of its proper divisors (1548814).

3081986 is a wasteful number, since it uses less digits than its factorization.

3081986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 3081986 is about 1755.5586005599. The cubic root of 3081986 is about 145.5269923903.

The spelling of 3081986 in words is "three million, eighty-one thousand, nine hundred eighty-six".