2167389 has 12 divisors (see below), whose sum is σ = 3578016. Its totient is φ = 1238472.

The previous prime is 2167369. The next prime is 2167393. The reversal of 2167389 is 9837612.

It is not a de Polignac number, because 2167389 - 2⁷ = 2167261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2167339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17139 + ... + 17264.

It is an arithmetic number, because the mean of its divisors is an integer number (298168).

2^2167389 is an apocalyptic number.

It is an amenable number.

2167389 is a deficient number, since it is larger than the sum of its proper divisors (1410627).

2167389 is a wasteful number, since it uses less digits than its factorization.

2167389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34416 (or 34413 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2167389 is about 1472.2054883745. The cubic root of 2167389 is about 129.4133128846.

It can be divided in two parts, 2167 and 389, that added together give a triangular number (2556 = T₇₁).

The spelling of 2167389 in words is "two million, one hundred sixty-seven thousand, three hundred eighty-nine".