9669813 has 8 divisors (see below), whose sum is σ = 12986400. Its totient is φ = 6399888.

The previous prime is 9669811. The next prime is 9669823. The reversal of 9669813 is 3189669.

9669813 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9669813 - 2¹ = 9669811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9669811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11178 + ... + 12011.

It is an arithmetic number, because the mean of its divisors is an integer number (1623300).

Almost surely, 2^9669813 is an apocalyptic number.

It is an amenable number.

9669813 is a deficient number, since it is larger than the sum of its proper divisors (3316587).

9669813 is a wasteful number, since it uses less digits than its factorization.

9669813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23331.

The product of its digits is 69984, while the sum is 42.

The square root of 9669813 is about 3109.6322933749. The cubic root of 9669813 is about 213.0456601621.

The spelling of 9669813 in words is "nine million, six hundred sixty-nine thousand, eight hundred thirteen".