9967693 has 4 divisors (see below), whose sum is σ = 9975420. Its totient is φ = 9959968.

The previous prime is 9967691. The next prime is 9967697. The reversal of 9967693 is 3967699.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1075369 + 8892324 = 1037^2 + 2982^2 .

It is a cyclic number.

It is not a de Polignac number, because 9967693 - 2¹ = 9967691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9967691) 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, 1408 + ... + 4681.

It is an arithmetic number, because the mean of its divisors is an integer number (2493855).

Almost surely, 2^9967693 is an apocalyptic number.

It is an amenable number.

9967693 is a deficient number, since it is larger than the sum of its proper divisors (7727).

9967693 is a wasteful number, since it uses less digits than its factorization.

9967693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726.

The product of its digits is 551124, while the sum is 49.

The square root of 9967693 is about 3157.1653425185. The cubic root of 9967693 is about 215.2112076293.

The spelling of 9967693 in words is "nine million, nine hundred sixty-seven thousand, six hundred ninety-three".