4012004 has 6 divisors (see below), whose sum is σ = 7021014. Its totient is φ = 2006000.

The previous prime is 4011991. The next prime is 4012013. The reversal of 4012004 is 4002104.

It can be written as a sum of positive squares in only one way, i.e., 3602404 + 409600 = 1898^2 + 640^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501497 + ... + 501504.

It is an arithmetic number, because the mean of its divisors is an integer number (1170169).

Almost surely, 2^4012004 is an apocalyptic number.

It is an amenable number.

4012004 is a deficient number, since it is larger than the sum of its proper divisors (3009010).

4012004 is a wasteful number, since it uses less digits than its factorization.

4012004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003005 (or 1003003 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4012004 is about 2002.9987518718. The cubic root of 4012004 is about 158.8987396337.

Adding to 4012004 its reverse (4002104), we get a palindrome (8014108).

The spelling of 4012004 in words is "four million, twelve thousand, four".