3942119 has 4 divisors (see below), whose sum is σ = 3980496. Its totient is φ = 3903744.

The previous prime is 3942097. The next prime is 3942121. The reversal of 3942119 is 9112493.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3942119 - 2¹⁶ = 3876583 is a prime.

It is a super-2 number, since 2×3942119² = 31080604420322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3942091 and 3942100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942619) 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 3 ways as a sum of consecutive naturals, for example, 19034 + ... + 19239.

It is an arithmetic number, because the mean of its divisors is an integer number (995124).

Almost surely, 2^3942119 is an apocalyptic number.

3942119 is a deficient number, since it is larger than the sum of its proper divisors (38377).

3942119 is a wasteful number, since it uses less digits than its factorization.

3942119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38376.

The product of its digits is 1944, while the sum is 29.

The square root of 3942119 is about 1985.4770207686. The cubic root of 3942119 is about 157.9707124051.

The spelling of 3942119 in words is "three million, nine hundred forty-two thousand, one hundred nineteen".