3989349 has 24 divisors (see below), whose sum is σ = 7093632. Its totient is φ = 2103840.

The previous prime is 3989333. The next prime is 3989351. The reversal of 3989349 is 9439893.

It is not a de Polignac number, because 3989349 - 2⁴ = 3989333 is a prime.

It is a Curzon number.

3989349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1617 + ... + 3254.

It is an arithmetic number, because the mean of its divisors is an integer number (295568).

Almost surely, 2^3989349 is an apocalyptic number.

3989349 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3989349 is a deficient number, since it is larger than the sum of its proper divisors (3104283).

3989349 is a wasteful number, since it uses less digits than its factorization.

3989349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897 (or 4894 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 3989349 is about 1997.3354750767. The cubic root of 3989349 is about 158.5990848837.

The spelling of 3989349 in words is "three million, nine hundred eighty-nine thousand, three hundred forty-nine".