7089231 has 4 divisors (see below), whose sum is σ = 9452312. Its totient is φ = 4726152.

The previous prime is 7089217. The next prime is 7089239. The reversal of 7089231 is 1329807.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7089231 - 2⁶ = 7089167 is a prime.

It is a super-2 number, since 2×7089231² = 100514392342722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7089239) 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, 1181536 + ... + 1181541.

It is an arithmetic number, because the mean of its divisors is an integer number (2363078).

Almost surely, 2^7089231 is an apocalyptic number.

7089231 is a deficient number, since it is larger than the sum of its proper divisors (2363081).

7089231 is a wasteful number, since it uses less digits than its factorization.

7089231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363080.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 7089231 is about 2662.5609852171. The cubic root of 7089231 is about 192.1025114472.

The spelling of 7089231 in words is "seven million, eighty-nine thousand, two hundred thirty-one".