969813 has 24 divisors (see below), whose sum is σ = 1569568. Its totient is φ = 594864.

The previous prime is 969809. The next prime is 969821. The reversal of 969813 is 318969.

It is not a de Polignac number, because 969813 - 2² = 969809 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969863) 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 23 ways as a sum of consecutive naturals, for example, 3006 + ... + 3312.

969813 is a Friedman number, since it can be written as 99^3-81*6, using all its digits and the basic arithmetic operations.

2⁹⁶⁹⁸¹³ is an apocalyptic number.

It is an amenable number.

969813 is a deficient number, since it is larger than the sum of its proper divisors (599755).

969813 is a wasteful number, since it uses less digits than its factorization.

969813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 323 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 969813 is about 984.7908407373. The cubic root of 969813 is about 98.9834683140.

The spelling of 969813 in words is "nine hundred sixty-nine thousand, eight hundred thirteen".