969491 has 4 divisors (see below), whose sum is σ = 971472. Its totient is φ = 967512.

The previous prime is 969481. The next prime is 969497. The reversal of 969491 is 194969.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194969 = 241 ⋅809.

It is a cyclic number.

It is not a de Polignac number, because 969491 - 2¹⁰ = 968467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (969497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341 + ... + 1433.

It is an arithmetic number, because the mean of its divisors is an integer number (242868).

2⁹⁶⁹⁴⁹¹ is an apocalyptic number.

969491 is a deficient number, since it is larger than the sum of its proper divisors (1981).

969491 is a wasteful number, since it uses less digits than its factorization.

969491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980.

The product of its digits is 17496, while the sum is 38.

The square root of 969491 is about 984.6273406726. The cubic root of 969491 is about 98.9725121795.

The spelling of 969491 in words is "nine hundred sixty-nine thousand, four hundred ninety-one".