3715986 has 8 divisors (see below), whose sum is σ = 7431984. Its totient is φ = 1238660.

The previous prime is 3715981. The next prime is 3715991. The reversal of 3715986 is 6895173.

3715986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3715981) and next prime (3715991).

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

3715986 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3715981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309660 + ... + 309671.

It is an arithmetic number, because the mean of its divisors is an integer number (928998).

Almost surely, 2^3715986 is an apocalyptic number.

3715986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3715986 is a wasteful number, since it uses less digits than its factorization.

3715986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619336.

The product of its digits is 45360, while the sum is 39.

The square root of 3715986 is about 1927.6892903163. The cubic root of 3715986 is about 154.8904671870.

The spelling of 3715986 in words is "three million, seven hundred fifteen thousand, nine hundred eighty-six".