3232991 has 2 divisors, whose sum is σ = 3232992. Its totient is φ = 3232990.

The previous prime is 3232987. The next prime is 3232997. The reversal of 3232991 is 1992323.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3232991 - 2² = 3232987 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3232997) 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 as a sum of consecutive naturals, namely, 1616495 + 1616496.

It is an arithmetic number, because the mean of its divisors is an integer number (1616496).

Almost surely, 2^3232991 is an apocalyptic number.

3232991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3232991 is an equidigital number, since it uses as much as digits as its factorization.

3232991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 29.

The square root of 3232991 is about 1798.0520014727. The cubic root of 3232991 is about 147.8659456946.

The spelling of 3232991 in words is "three million, two hundred thirty-two thousand, nine hundred ninety-one".