3918126 has 32 divisors (see below), whose sum is σ = 8398080. Its totient is φ = 1214336.

The previous prime is 3918071. The next prime is 3918127. The reversal of 3918126 is 6218193.

It is a super-2 number, since 2×3918126² = 30703422703752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3918093 and 3918102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10735 + ... + 11093.

It is an arithmetic number, because the mean of its divisors is an integer number (262440).

Almost surely, 2^3918126 is an apocalyptic number.

3918126 is an abundant number, since it is smaller than the sum of its proper divisors (4479954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3918126 is a wasteful number, since it uses less digits than its factorization.

3918126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its digits is 2592, while the sum is 30.

The square root of 3918126 is about 1979.4256742803. The cubic root of 3918126 is about 157.6495732032.

The spelling of 3918126 in words is "three million, nine hundred eighteen thousand, one hundred twenty-six".