3987413 has 8 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 3829168.

The previous prime is 3987409. The next prime is 3987421. The reversal of 3987413 is 3147893.

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 3987413 - 2² = 3987409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10220 + ... + 10602.

It is an arithmetic number, because the mean of its divisors is an integer number (518400).

Almost surely, 2^3987413 is an apocalyptic number.

It is an amenable number.

3987413 is a deficient number, since it is larger than the sum of its proper divisors (159787).

3987413 is a wasteful number, since it uses less digits than its factorization.

3987413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its digits is 18144, while the sum is 35.

The square root of 3987413 is about 1996.8507705885. The cubic root of 3987413 is about 158.5734250988.

The spelling of 3987413 in words is "three million, nine hundred eighty-seven thousand, four hundred thirteen".