3975942 has 8 divisors (see below), whose sum is σ = 7951896. Its totient is φ = 1325312.

The previous prime is 3975911. The next prime is 3975947. The reversal of 3975942 is 2495793.

3975942 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.

3975942 is an admirable number.

It is a super-2 number, since 2×3975942² = 31616229574728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3975942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975947) by changing a digit.

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, 331323 + ... + 331334.

It is an arithmetic number, because the mean of its divisors is an integer number (993987).

Almost surely, 2^3975942 is an apocalyptic number.

3975942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3975942 is a wasteful number, since it uses less digits than its factorization.

3975942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662662.

The product of its digits is 68040, while the sum is 39.

The square root of 3975942 is about 1993.9764291485. The cubic root of 3975942 is about 158.4212175690.

It can be divided in two parts, 39759 and 42, that multiplied together give a triangular number (1669878 = T₁₈₂₇).

The spelling of 3975942 in words is "three million, nine hundred seventy-five thousand, nine hundred forty-two".