3997711 has 4 divisors (see below), whose sum is σ = 4018000. Its totient is φ = 3977424.

The previous prime is 3997673. The next prime is 3997723. The reversal of 3997711 is 1177993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1177993 = 853 ⋅1381.

It is a cyclic number.

It is not a de Polignac number, because 3997711 - 2⁷ = 3997583 is a prime.

It is a Duffinian number.

3997711 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997751) 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, 9846 + ... + 10243.

It is an arithmetic number, because the mean of its divisors is an integer number (1004500).

Almost surely, 2^3997711 is an apocalyptic number.

3997711 is a deficient number, since it is larger than the sum of its proper divisors (20289).

3997711 is a wasteful number, since it uses less digits than its factorization.

3997711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20288.

The product of its digits is 11907, while the sum is 37.

The square root of 3997711 is about 1999.4276681091. The cubic root of 3997711 is about 158.7098197441.

The spelling of 3997711 in words is "three million, nine hundred ninety-seven thousand, seven hundred eleven".