3261791 has 8 divisors (see below), whose sum is σ = 3665760. Its totient is φ = 2879712.

The previous prime is 3261743. The next prime is 3261799. The reversal of 3261791 is 1971623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3261791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261799) 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 7 ways as a sum of consecutive naturals, for example, 5156 + ... + 5753.

It is an arithmetic number, because the mean of its divisors is an integer number (458220).

Almost surely, 2^3261791 is an apocalyptic number.

3261791 is a deficient number, since it is larger than the sum of its proper divisors (403969).

3261791 is a wasteful number, since it uses less digits than its factorization.

3261791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10945.

The product of its digits is 2268, while the sum is 29.

The square root of 3261791 is about 1806.0429120040. The cubic root of 3261791 is about 148.3037194876.

Subtracting from 3261791 its product of digits (2268), we obtain a palindrome (3259523).

The spelling of 3261791 in words is "three million, two hundred sixty-one thousand, seven hundred ninety-one".