3958942 has 8 divisors (see below), whose sum is σ = 6395256. Its totient is φ = 1827192.

The previous prime is 3958937. The next prime is 3958949. The reversal of 3958942 is 2498593.

It is a happy number.

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 = 3958895 and 3958904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3958949) 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, 76108 + ... + 76159.

It is an arithmetic number, because the mean of its divisors is an integer number (799407).

Almost surely, 2^3958942 is an apocalyptic number.

3958942 is a deficient number, since it is larger than the sum of its proper divisors (2436314).

3958942 is a wasteful number, since it uses less digits than its factorization.

3958942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152282.

The product of its digits is 77760, while the sum is 40.

The square root of 3958942 is about 1989.7090239530. The cubic root of 3958942 is about 158.1951069400.

It can be divided in two parts, 3958 and 942, that added together give a square (4900 = 70²).

The spelling of 3958942 in words is "three million, nine hundred fifty-eight thousand, nine hundred forty-two".