7089389 has 4 divisors (see below), whose sum is σ = 7123200. Its totient is φ = 7055580.

The previous prime is 7089377. The next prime is 7089403. The reversal of 7089389 is 9839807.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9839807 = 167 ⋅58921.

It is a cyclic number.

It is not a de Polignac number, because 7089389 - 2⁴ = 7089373 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 (7089319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16589 + ... + 17010.

It is an arithmetic number, because the mean of its divisors is an integer number (1780800).

Almost surely, 2^7089389 is an apocalyptic number.

It is an amenable number.

7089389 is a deficient number, since it is larger than the sum of its proper divisors (33811).

7089389 is a wasteful number, since it uses less digits than its factorization.

7089389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33810.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 7089389 is about 2662.5906557336. The cubic root of 7089389 is about 192.1039385870.

The spelling of 7089389 in words is "seven million, eighty-nine thousand, three hundred eighty-nine".