9967389 has 16 divisors (see below), whose sum is σ = 14286528. Its totient is φ = 6158592.

The previous prime is 9967379. The next prime is 9967409. The reversal of 9967389 is 9837699.

It is not a de Polignac number, because 9967389 - 2⁷ = 9967261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

9967389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9967379) 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 15 ways as a sum of consecutive naturals, for example, 1959 + ... + 4875.

It is an arithmetic number, because the mean of its divisors is an integer number (892908).

Almost surely, 2^9967389 is an apocalyptic number.

It is an amenable number.

9967389 is a deficient number, since it is larger than the sum of its proper divisors (4319139).

9967389 is a wasteful number, since it uses less digits than its factorization.

9967389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004.

The product of its digits is 734832, while the sum is 51.

The square root of 9967389 is about 3157.1171976979. The cubic root of 9967389 is about 215.2090197318.

It can be divided in two parts, 996 and 7389, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 9967389 in words is "nine million, nine hundred sixty-seven thousand, three hundred eighty-nine".