3998126 has 16 divisors (see below), whose sum is σ = 6576768. Its totient is φ = 1807800.

The previous prime is 3998119. The next prime is 3998131. The reversal of 3998126 is 6218993.

3998126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3998126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5441 + ... + 6131.

It is an arithmetic number, because the mean of its divisors is an integer number (411048).

Almost surely, 2^3998126 is an apocalyptic number.

3998126 is a deficient number, since it is larger than the sum of its proper divisors (2578642).

3998126 is a wasteful number, since it uses less digits than its factorization.

3998126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967.

The product of its digits is 23328, while the sum is 38.

The square root of 3998126 is about 1999.5314451141. The cubic root of 3998126 is about 158.7153114114.

The spelling of 3998126 in words is "three million, nine hundred ninety-eight thousand, one hundred twenty-six".