3988361 has 8 divisors (see below), whose sum is σ = 4482240. Its totient is φ = 3521232.

The previous prime is 3988351. The next prime is 3988381. The reversal of 3988361 is 1638893.

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

It is not a de Polignac number, because 3988361 - 2⁶ = 3988297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3988301) 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, 6371 + ... + 6968.

It is an arithmetic number, because the mean of its divisors is an integer number (560280).

Almost surely, 2^3988361 is an apocalyptic number.

It is an amenable number.

3988361 is a deficient number, since it is larger than the sum of its proper divisors (493879).

3988361 is a wasteful number, since it uses less digits than its factorization.

3988361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13375.

The product of its digits is 31104, while the sum is 38.

The square root of 3988361 is about 1997.0881302536. The cubic root of 3988361 is about 158.5859909483.

The spelling of 3988361 in words is "three million, nine hundred eighty-eight thousand, three hundred sixty-one".