3845986 has 8 divisors (see below), whose sum is σ = 5778540. Its totient is φ = 1919808.

The previous prime is 3845983. The next prime is 3845987. The reversal of 3845986 is 6895483.

It can be written as a sum of positive squares in 2 ways, for example, as 3744225 + 101761 = 1935^2 + 319^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430 + ... + 2806.

Almost surely, 2^3845986 is an apocalyptic number.

3845986 is a deficient number, since it is larger than the sum of its proper divisors (1932554).

3845986 is a wasteful number, since it uses less digits than its factorization.

3845986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188.

The product of its digits is 207360, while the sum is 43.

The square root of 3845986 is about 1961.1185583743. The cubic root of 3845986 is about 156.6760328388.

The spelling of 3845986 in words is "three million, eight hundred forty-five thousand, nine hundred eighty-six".