3996042 has 16 divisors (see below), whose sum is σ = 8412960. Its totient is φ = 1261872.

The previous prime is 3996017. The next prime is 3996059. The reversal of 3996042 is 2406993.

It is a junction number, because it is equal to n+sod(n) for n = 3995994 and 3996012.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17413 + ... + 17640.

It is an arithmetic number, because the mean of its divisors is an integer number (525810).

Almost surely, 2^3996042 is an apocalyptic number.

3996042 is an abundant number, since it is smaller than the sum of its proper divisors (4416918).

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

3996042 is a wasteful number, since it uses less digits than its factorization.

3996042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35077.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 3996042 is about 1999.0102551013. The cubic root of 3996042 is about 158.6877301399.

It can be divided in two parts, 399 and 6042, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 3996042 in words is "three million, nine hundred ninety-six thousand, forty-two".