3977142 has 16 divisors (see below), whose sum is σ = 8566320. Its totient is φ = 1223712.

The previous prime is 3977117. The next prime is 3977153. The reversal of 3977142 is 2417793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25417 + ... + 25572.

It is an arithmetic number, because the mean of its divisors is an integer number (535395).

Almost surely, 2^3977142 is an apocalyptic number.

3977142 is an abundant number, since it is smaller than the sum of its proper divisors (4589178).

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

3977142 is a wasteful number, since it uses less digits than its factorization.

3977142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51007.

The product of its digits is 10584, while the sum is 33.

The square root of 3977142 is about 1994.2773127126. The cubic root of 3977142 is about 158.4371539465.

The spelling of 3977142 in words is "three million, nine hundred seventy-seven thousand, one hundred forty-two".