3989105 has 8 divisors (see below), whose sum is σ = 4848000. Its totient is φ = 3150576.

The previous prime is 3989093. The next prime is 3989119. The reversal of 3989105 is 5019893.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3989105 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4655 + ... + 5444.

It is an arithmetic number, because the mean of its divisors is an integer number (606000).

Almost surely, 2^3989105 is an apocalyptic number.

It is an amenable number.

3989105 is a deficient number, since it is larger than the sum of its proper divisors (858895).

3989105 is a wasteful number, since it uses less digits than its factorization.

3989105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 3989105 is about 1997.2743927663. The cubic root of 3989105 is about 158.5958513598.

The spelling of 3989105 in words is "three million, nine hundred eighty-nine thousand, one hundred five".