3944004 has 12 divisors (see below), whose sum is σ = 9202704. Its totient is φ = 1314664.

The previous prime is 3943999. The next prime is 3944009. The reversal of 3944004 is 4004493.

It is an interprime number because it is at equal distance from previous prime (3943999) and next prime (3944009).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3944009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164322 + ... + 164345.

It is an arithmetic number, because the mean of its divisors is an integer number (766892).

Almost surely, 2^3944004 is an apocalyptic number.

It is an amenable number.

3944004 is an abundant number, since it is smaller than the sum of its proper divisors (5258700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3944004 is a wasteful number, since it uses less digits than its factorization.

3944004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328674 (or 328672 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3944004 is about 1985.9516610431. The cubic root of 3944004 is about 157.9958873042.

Adding to 3944004 its reverse (4004493), we get a palindrome (7948497).

The spelling of 3944004 in words is "three million, nine hundred forty-four thousand, four".