3841389 has 12 divisors (see below), whose sum is σ = 5568576. Its totient is φ = 2551752.

The previous prime is 3841381. The next prime is 3841393. The reversal of 3841389 is 9831483.

It is not a de Polignac number, because 3841389 - 2³ = 3841381 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3841381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2722 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (464048).

Almost surely, 2^3841389 is an apocalyptic number.

It is an amenable number.

3841389 is a deficient number, since it is larger than the sum of its proper divisors (1727187).

3841389 is a wasteful number, since it uses less digits than its factorization.

3841389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536 (or 1533 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 3841389 is about 1959.9461727303. The cubic root of 3841389 is about 156.6135844511.

The spelling of 3841389 in words is "three million, eight hundred forty-one thousand, three hundred eighty-nine".