3928142 has 16 divisors (see below), whose sum is σ = 6119520. Its totient is φ = 1889568.

The previous prime is 3928123. The next prime is 3928151. The reversal of 3928142 is 2418293.

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 7 ways as a sum of consecutive naturals, for example, 7823 + ... + 8309.

It is an arithmetic number, because the mean of its divisors is an integer number (382470).

Almost surely, 2^3928142 is an apocalyptic number.

3928142 is a deficient number, since it is larger than the sum of its proper divisors (2191378).

3928142 is a wasteful number, since it uses less digits than its factorization.

3928142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its digits is 3456, while the sum is 29.

The square root of 3928142 is about 1981.9540862492. The cubic root of 3928142 is about 157.7837933669.

The spelling of 3928142 in words is "three million, nine hundred twenty-eight thousand, one hundred forty-two".