3884439 has 16 divisors (see below), whose sum is σ = 5637632. Its totient is φ = 2364768.

The previous prime is 3884431. The next prime is 3884473. The reversal of 3884439 is 9344883.

It is not a de Polignac number, because 3884439 - 2³ = 3884431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a d-powerful number, because it can be written as 3¹³ + 8³ + 8⁵ + 4⁸ + 4⁸ + 3¹³ + 9⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 3884397 and 3884406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3884431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3534 + ... + 4500.

It is an arithmetic number, because the mean of its divisors is an integer number (352352).

Almost surely, 2^3884439 is an apocalyptic number.

3884439 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3884439 is a deficient number, since it is larger than the sum of its proper divisors (1753193).

3884439 is a wasteful number, since it uses less digits than its factorization.

3884439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its digits is 82944, while the sum is 39.

The square root of 3884439 is about 1970.8980186707. The cubic root of 3884439 is about 157.1964625068.

Multiplying 3884439 by its sum of digits (39), we get a triangular number (151493121 = T₁₇₄₀₆).

It can be divided in two parts, 38844 and 39, that added together give a palindrome (38883).

The spelling of 3884439 in words is "three million, eight hundred eighty-four thousand, four hundred thirty-nine".