3942339 has 4 divisors (see below), whose sum is σ = 5256456. Its totient is φ = 2628224.

The previous prime is 3942331. The next prime is 3942349. The reversal of 3942339 is 9332493.

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 3942339 - 2³ = 3942331 is a prime.

It is a super-3 number, since 3×3942339³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3942331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657054 + ... + 657059.

It is an arithmetic number, because the mean of its divisors is an integer number (1314114).

Almost surely, 2^3942339 is an apocalyptic number.

3942339 is a deficient number, since it is larger than the sum of its proper divisors (1314117).

3942339 is a wasteful number, since it uses less digits than its factorization.

3942339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314116.

The product of its digits is 17496, while the sum is 33.

The square root of 3942339 is about 1985.5324222989. The cubic root of 3942339 is about 157.9736510032.

The spelling of 3942339 in words is "three million, nine hundred forty-two thousand, three hundred thirty-nine".