3889909 has 8 divisors (see below), whose sum is σ = 4048352. Its totient is φ = 3734640.

The previous prime is 3889901. The next prime is 3889913. The reversal of 3889909 is 9099883.

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 3889909 - 2³ = 3889901 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889901) 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, 1882 + ... + 3364.

It is an arithmetic number, because the mean of its divisors is an integer number (506044).

Almost surely, 2^3889909 is an apocalyptic number.

It is an amenable number.

3889909 is a deficient number, since it is larger than the sum of its proper divisors (158443).

3889909 is a wasteful number, since it uses less digits than its factorization.

3889909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 3889909 is about 1972.2852227809. The cubic root of 3889909 is about 157.2702150143.

The spelling of 3889909 in words is "three million, eight hundred eighty-nine thousand, nine hundred nine".