961791 has 16 divisors (see below), whose sum is σ = 1368576. Its totient is φ = 599456.

The previous prime is 961789. The next prime is 961811. The reversal of 961791 is 197169.

It is a cyclic number.

It is not a de Polignac number, because 961791 - 2¹ = 961789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3526 + ... + 3788.

It is an arithmetic number, because the mean of its divisors is an integer number (85536).

2⁹⁶¹⁷⁹¹ is an apocalyptic number.

961791 is a deficient number, since it is larger than the sum of its proper divisors (406785).

961791 is a wasteful number, since it uses less digits than its factorization.

961791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its digits is 3402, while the sum is 33.

The square root of 961791 is about 980.7094370913. The cubic root of 961791 is about 98.7097918879.

The spelling of 961791 in words is "nine hundred sixty-one thousand, seven hundred ninety-one".