3894004 has 12 divisors (see below), whose sum is σ = 7049700. Its totient is φ = 1879808.

The previous prime is 3894001. The next prime is 3894013. The reversal of 3894004 is 4004983.

It can be written as a sum of positive squares in 2 ways, for example, as 1004004 + 2890000 = 1002^2 + 1700^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894001) 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, 16669 + ... + 16900.

It is an arithmetic number, because the mean of its divisors is an integer number (587475).

Almost surely, 2^3894004 is an apocalyptic number.

It is an amenable number.

3894004 is a deficient number, since it is larger than the sum of its proper divisors (3155696).

3894004 is a wasteful number, since it uses less digits than its factorization.

3894004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33602 (or 33600 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3894004 is about 1973.3230855590. The cubic root of 3894004 is about 157.3253830290.

Adding to 3894004 its reverse (4004983), we get a palindrome (7898987).

The spelling of 3894004 in words is "three million, eight hundred ninety-four thousand, four".