4003112 has 8 divisors (see below), whose sum is σ = 7505850. Its totient is φ = 2001552.

The previous prime is 4003099. The next prime is 4003121. The reversal of 4003112 is 2113004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2328676 + 1674436 = 1526^2 + 1294^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4003093 and 4003102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250187 + ... + 250202.

Almost surely, 2^4003112 is an apocalyptic number.

It is an amenable number.

4003112 is a deficient number, since it is larger than the sum of its proper divisors (3502738).

4003112 is a wasteful number, since it uses less digits than its factorization.

4003112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500395 (or 500391 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 4003112 is about 2000.7778487378. Note that the first 3 decimals coincide. The cubic root of 4003112 is about 158.7812611262.

Adding to 4003112 its reverse (2113004), we get a palindrome (6116116).

The spelling of 4003112 in words is "four million, three thousand, one hundred twelve".