3942126 has 24 divisors (see below), whose sum is σ = 8578440. Its totient is φ = 1308336.

The previous prime is 3942121. The next prime is 3942137. The reversal of 3942126 is 6212493.

It is a self number, because there is not a number n which added to its sum of digits gives 3942126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942121) 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 11 ways as a sum of consecutive naturals, for example, 6721 + ... + 7283.

It is an arithmetic number, because the mean of its divisors is an integer number (357435).

Almost surely, 2^3942126 is an apocalyptic number.

3942126 is an abundant number, since it is smaller than the sum of its proper divisors (4636314).

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

3942126 is a wasteful number, since it uses less digits than its factorization.

3942126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 957 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 3942126 is about 1985.4787835683. The cubic root of 3942126 is about 157.9708059077.

The spelling of 3942126 in words is "three million, nine hundred forty-two thousand, one hundred twenty-six".