3200891 has 2 divisors, whose sum is σ = 3200892. Its totient is φ = 3200890.

The previous prime is 3200881. The next prime is 3200909. The reversal of 3200891 is 1980023.

It is a weak prime.

It is an emirp because it is prime and its reverse (1980023) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3200891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3200801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600445 + 1600446.

It is an arithmetic number, because the mean of its divisors is an integer number (1600446).

Almost surely, 2^3200891 is an apocalyptic number.

3200891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3200891 is an equidigital number, since it uses as much as digits as its factorization.

3200891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 3200891 is about 1789.1034067376. The cubic root of 3200891 is about 147.3749356434.

The spelling of 3200891 in words is "three million, two hundred thousand, eight hundred ninety-one".