9611389 has 4 divisors (see below), whose sum is σ = 9632700. Its totient is φ = 9590080.

The previous prime is 9611387. The next prime is 9611419. The reversal of 9611389 is 9831169.

9611389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9831169 = 149 ⋅65981.

It can be written as a sum of positive squares in 2 ways, for example, as 6335289 + 3276100 = 2517^2 + 1810^2 .

It is a cyclic number.

It is not a de Polignac number, because 9611389 - 2¹ = 9611387 is a prime.

It is an Ulam number.

It is a Duffinian number.

9611389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9611387) 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, 9964 + ... + 10885.

It is an arithmetic number, because the mean of its divisors is an integer number (2408175).

Almost surely, 2^9611389 is an apocalyptic number.

It is an amenable number.

9611389 is a deficient number, since it is larger than the sum of its proper divisors (21311).

9611389 is a wasteful number, since it uses less digits than its factorization.

9611389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21310.

The product of its digits is 11664, while the sum is 37.

The square root of 9611389 is about 3100.2240241634. The cubic root of 9611389 is about 212.6157265837.

It can be divided in two parts, 9611 and 389, that added together give a 4-th power (10000 = 10⁴).

The spelling of 9611389 in words is "nine million, six hundred eleven thousand, three hundred eighty-nine".