3711997 has 4 divisors (see below), whose sum is σ = 3717760. Its totient is φ = 3706236.

The previous prime is 3711989. The next prime is 3712019. The reversal of 3711997 is 7991173.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3711997 - 2³ = 3711989 is a prime.

It is a Duffinian number.

3711997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3711907) 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, 1773 + ... + 3250.

It is an arithmetic number, because the mean of its divisors is an integer number (929440).

Almost surely, 2^3711997 is an apocalyptic number.

It is an amenable number.

3711997 is a deficient number, since it is larger than the sum of its proper divisors (5763).

3711997 is an equidigital number, since it uses as much as digits as its factorization.

3711997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762.

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

The square root of 3711997 is about 1926.6543540552. The cubic root of 3711997 is about 154.8350239131.

The spelling of 3711997 in words is "three million, seven hundred eleven thousand, nine hundred ninety-seven".