3834639 has 24 divisors (see below), whose sum is σ = 5964192. Its totient is φ = 2365440.

The previous prime is 3834631. The next prime is 3834647. The reversal of 3834639 is 9364383.

3834639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3834631) and next prime (3834647).

It is not a de Polignac number, because 3834639 - 2³ = 3834631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3834631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10687 + ... + 11039.

It is an arithmetic number, because the mean of its divisors is an integer number (248508).

Almost surely, 2^3834639 is an apocalyptic number.

3834639 is a deficient number, since it is larger than the sum of its proper divisors (2129553).

3834639 is a wasteful number, since it uses less digits than its factorization.

3834639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 444 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 3834639 is about 1958.2234295402. The cubic root of 3834639 is about 156.5217980777.

The spelling of 3834639 in words is "three million, eight hundred thirty-four thousand, six hundred thirty-nine".