3899384 has 8 divisors (see below), whose sum is σ = 7311360. Its totient is φ = 1949688.

The previous prime is 3899383. The next prime is 3899407. The reversal of 3899384 is 4839983.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243704 + ... + 243719.

It is an arithmetic number, because the mean of its divisors is an integer number (913920).

Almost surely, 2^3899384 is an apocalyptic number.

It is an amenable number.

3899384 is a deficient number, since it is larger than the sum of its proper divisors (3411976).

3899384 is a wasteful number, since it uses less digits than its factorization.

3899384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487429 (or 487425 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 3899384 is about 1974.6857977916. The cubic root of 3899384 is about 157.3978038633.

The spelling of 3899384 in words is "three million, eight hundred ninety-nine thousand, three hundred eighty-four".