4002904 has 8 divisors (see below), whose sum is σ = 7505460. Its totient is φ = 2001448.

The previous prime is 4002893. The next prime is 4002907. The reversal of 4002904 is 4092004.

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

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250174 + ... + 250189.

Almost surely, 2^4002904 is an apocalyptic number.

It is an amenable number.

4002904 is a deficient number, since it is larger than the sum of its proper divisors (3502556).

4002904 is a wasteful number, since it uses less digits than its factorization.

4002904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500369 (or 500365 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4002904 is about 2000.7258682788. The cubic root of 4002904 is about 158.7785110096.

Adding to 4002904 its reverse (4092004), we get a palindrome (8094908).

The spelling of 4002904 in words is "four million, two thousand, nine hundred four".