3789989 has 8 divisors (see below), whose sum is σ = 4396608. Its totient is φ = 3199680.

The previous prime is 3789971. The next prime is 3790001. The reversal of 3789989 is 9899873.

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 3789989 - 2¹² = 3785893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3789989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3789389) 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, 3572 + ... + 4509.

It is an arithmetic number, because the mean of its divisors is an integer number (549576).

Almost surely, 2^3789989 is an apocalyptic number.

It is an amenable number.

3789989 is a deficient number, since it is larger than the sum of its proper divisors (606619).

3789989 is an equidigital number, since it uses as much as digits as its factorization.

3789989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155.

The product of its digits is 979776, while the sum is 53.

The square root of 3789989 is about 1946.7894082309. The cubic root of 3789989 is about 155.9119188281.

The spelling of 3789989 in words is "three million, seven hundred eighty-nine thousand, nine hundred eighty-nine".