3206993 has 2 divisors, whose sum is σ = 3206994. Its totient is φ = 3206992.

The previous prime is 3206971. The next prime is 3207007. The reversal of 3206993 is 3996023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2879809 + 327184 = 1697^2 + 572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3206993 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3206933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603496 + 1603497.

It is an arithmetic number, because the mean of its divisors is an integer number (1603497).

Almost surely, 2^3206993 is an apocalyptic number.

It is an amenable number.

3206993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3206993 is an equidigital number, since it uses as much as digits as its factorization.

3206993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 3206993 is about 1790.8079182313. The cubic root of 3206993 is about 147.4685253152.

The spelling of 3206993 in words is "three million, two hundred six thousand, nine hundred ninety-three".