7089989 has 4 divisors (see below), whose sum is σ = 7189920. Its totient is φ = 6990060.

The previous prime is 7089941. The next prime is 7089991. The reversal of 7089989 is 9899807.

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: 9899807 = 887 ⋅11161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7089989 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 (7089889) 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, 49859 + ... + 50000.

It is an arithmetic number, because the mean of its divisors is an integer number (1797480).

Almost surely, 2^7089989 is an apocalyptic number.

It is an amenable number.

7089989 is a deficient number, since it is larger than the sum of its proper divisors (99931).

7089989 is an equidigital number, since it uses as much as digits as its factorization.

7089989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99930.

The product of its (nonzero) digits is 326592, while the sum is 50.

The square root of 7089989 is about 2662.7033255697. The cubic root of 7089989 is about 192.1093579121.

The spelling of 7089989 in words is "seven million, eighty-nine thousand, nine hundred eighty-nine".