3911942 has 8 divisors (see below), whose sum is σ = 5898000. Its totient is φ = 1945944.

The previous prime is 3911939. The next prime is 3911977. The reversal of 3911942 is 2491193.

It is a happy number.

3911942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×3911942² = 30606580422728, which contains 22 as substring.

It is a congruent number.

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, 4517 + ... + 5312.

It is an arithmetic number, because the mean of its divisors is an integer number (737250).

Almost surely, 2^3911942 is an apocalyptic number.

3911942 is a deficient number, since it is larger than the sum of its proper divisors (1986058).

3911942 is a wasteful number, since it uses less digits than its factorization.

3911942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10030.

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

The square root of 3911942 is about 1977.8629881769. The cubic root of 3911942 is about 157.5665897982.

The spelling of 3911942 in words is "three million, nine hundred eleven thousand, nine hundred forty-two".