3979142 has 4 divisors (see below), whose sum is σ = 5968716. Its totient is φ = 1989570.

The previous prime is 3979141. The next prime is 3979147. The reversal of 3979142 is 2419793.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979141) by changing a digit.

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 as a sum of consecutive naturals, namely, 994784 + ... + 994787.

It is an arithmetic number, because the mean of its divisors is an integer number (1492179).

Almost surely, 2^3979142 is an apocalyptic number.

3979142 is a deficient number, since it is larger than the sum of its proper divisors (1989574).

3979142 is a wasteful number, since it uses less digits than its factorization.

3979142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989573.

The product of its digits is 13608, while the sum is 35.

The square root of 3979142 is about 1994.7786844660. The cubic root of 3979142 is about 158.4637074538.

The spelling of 3979142 in words is "three million, nine hundred seventy-nine thousand, one hundred forty-two".