3611997 has 12 divisors (see below), whose sum is σ = 5328960. Its totient is φ = 2356488.

The previous prime is 3611987. The next prime is 3612019. The reversal of 3611997 is 7991163.

It is not a de Polignac number, because 3611997 - 2⁴ = 3611981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3611947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3847 + ... + 4692.

It is an arithmetic number, because the mean of its divisors is an integer number (444080).

Almost surely, 2^3611997 is an apocalyptic number.

It is an amenable number.

3611997 is a deficient number, since it is larger than the sum of its proper divisors (1716963).

3611997 is a wasteful number, since it uses less digits than its factorization.

3611997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8592 (or 8589 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 3611997 is about 1900.5254536575. The cubic root of 3611997 is about 153.4319461227.

The spelling of 3611997 in words is "three million, six hundred eleven thousand, nine hundred ninety-seven".