3977111 has 4 divisors (see below), whose sum is σ = 4025112. Its totient is φ = 3929112.

The previous prime is 3977107. The next prime is 3977117. The reversal of 3977111 is 1117793.

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

It is a cyclic number.

It is not a de Polignac number, because 3977111 - 2² = 3977107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977117) 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, 23876 + ... + 24041.

It is an arithmetic number, because the mean of its divisors is an integer number (1006278).

Almost surely, 2^3977111 is an apocalyptic number.

3977111 is a deficient number, since it is larger than the sum of its proper divisors (48001).

3977111 is an equidigital number, since it uses as much as digits as its factorization.

3977111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48000.

The product of its digits is 1323, while the sum is 29.

The square root of 3977111 is about 1994.2695404584. The cubic root of 3977111 is about 158.4367422971.

The spelling of 3977111 in words is "three million, nine hundred seventy-seven thousand, one hundred eleven".