967591 has 4 divisors (see below), whose sum is σ = 973912. Its totient is φ = 961272.

The previous prime is 967583. The next prime is 967607. The reversal of 967591 is 195769.

967591 = 78³ + 79³.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 195769 = 7 ⋅27967.

It is a cyclic number.

It is not a de Polignac number, because 967591 - 2³ = 967583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 967591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (967501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2925 + ... + 3238.

It is an arithmetic number, because the mean of its divisors is an integer number (243478).

2⁹⁶⁷⁵⁹¹ is an apocalyptic number.

967591 is a deficient number, since it is larger than the sum of its proper divisors (6321).

967591 is a wasteful number, since it uses less digits than its factorization.

967591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320.

The product of its digits is 17010, while the sum is 37.

The square root of 967591 is about 983.6620354573. The cubic root of 967591 is about 98.9078147414.

It can be divided in two parts, 9 and 67591, that added together give a square (67600 = 260²).

The spelling of 967591 in words is "nine hundred sixty-seven thousand, five hundred ninety-one".