3206997 has 6 divisors (see below), whose sum is σ = 4632342. Its totient is φ = 2137992.

The previous prime is 3206993. The next prime is 3207007. The reversal of 3206997 is 7996023.

It can be written as a sum of positive squares in only one way, i.e., 2268036 + 938961 = 1506^2 + 969^2 .

It is not a de Polignac number, because 3206997 - 2² = 3206993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3206993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178158 + ... + 178175.

It is an arithmetic number, because the mean of its divisors is an integer number (772057).

Almost surely, 2^3206997 is an apocalyptic number.

It is an amenable number.

3206997 is a deficient number, since it is larger than the sum of its proper divisors (1425345).

3206997 is a wasteful number, since it uses less digits than its factorization.

3206997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356339 (or 356336 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 3206997 is about 1790.8090350453. The cubic root of 3206997 is about 147.4685866264.

The spelling of 3206997 in words is "three million, two hundred six thousand, nine hundred ninety-seven".