3201091 has 6 divisors (see below), whose sum is σ = 3308676. Its totient is φ = 3096900.

The previous prime is 3201067. The next prime is 3201103. The reversal of 3201091 is 1901023.

It is not a de Polignac number, because 3201091 - 2⁹ = 3200579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3201391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 705 + ... + 2626.

It is an arithmetic number, because the mean of its divisors is an integer number (551446).

Almost surely, 2^3201091 is an apocalyptic number.

3201091 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3201091 is a deficient number, since it is larger than the sum of its proper divisors (107585).

3201091 is an equidigital number, since it uses as much as digits as its factorization.

3201091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393 (or 3362 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 3201091 is about 1789.1592997830. The cubic root of 3201091 is about 147.3780050359.

The spelling of 3201091 in words is "three million, two hundred one thousand, ninety-one".