3965942 has 8 divisors (see below), whose sum is σ = 6010536. Its totient is φ = 1962432.

The previous prime is 3965939. The next prime is 3965963. The reversal of 3965942 is 2495693.

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 = 3965896 and 3965905.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 10028 + ... + 10415.

It is an arithmetic number, because the mean of its divisors is an integer number (751317).

Almost surely, 2^3965942 is an apocalyptic number.

3965942 is a deficient number, since it is larger than the sum of its proper divisors (2044594).

3965942 is a wasteful number, since it uses less digits than its factorization.

3965942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20542.

The product of its digits is 58320, while the sum is 38.

The square root of 3965942 is about 1991.4672982502. The cubic root of 3965942 is about 158.2882895568.

The spelling of 3965942 in words is "three million, nine hundred sixty-five thousand, nine hundred forty-two".