3849987 has 8 divisors (see below), whose sum is σ = 5160960. Its totient is φ = 2552840.

The previous prime is 3849977. The next prime is 3849997. The reversal of 3849987 is 7899483.

It is an interprime number because it is at equal distance from previous prime (3849977) and next prime (3849997).

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 3849987 - 2¹¹ = 3847939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3849977) 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 7 ways as a sum of consecutive naturals, for example, 2787 + ... + 3932.

It is an arithmetic number, because the mean of its divisors is an integer number (645120).

Almost surely, 2^3849987 is an apocalyptic number.

3849987 is a deficient number, since it is larger than the sum of its proper divisors (1310973).

3849987 is a wasteful number, since it uses less digits than its factorization.

3849987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913.

The product of its digits is 435456, while the sum is 48.

The square root of 3849987 is about 1962.1383743253. The cubic root of 3849987 is about 156.7303443172.

The spelling of 3849987 in words is "three million, eight hundred forty-nine thousand, nine hundred eighty-seven".