3949042 has 8 divisors (see below), whose sum is σ = 5932332. Its totient is φ = 1971600.

The previous prime is 3949039. The next prime is 3949051. The reversal of 3949042 is 2409493.

3949042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3613801 + 335241 = 1901^2 + 579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3948995 and 3949013.

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 3 ways as a sum of consecutive naturals, for example, 1192 + ... + 3052.

Almost surely, 2^3949042 is an apocalyptic number.

3949042 is a deficient number, since it is larger than the sum of its proper divisors (1983290).

3949042 is a wasteful number, since it uses less digits than its factorization.

3949042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3949042 is about 1987.2196657642. The cubic root of 3949042 is about 158.0631323843.

The spelling of 3949042 in words is "three million, nine hundred forty-nine thousand, forty-two".