2989231 has 8 divisors (see below), whose sum is σ = 3496064. Its totient is φ = 2502360.

The previous prime is 2989223. The next prime is 2989271. The reversal of 2989231 is 1329892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2989231 - 2³ = 2989223 is a prime.

It is a super-2 number, since 2×2989231² = 17871003942722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4665 + ... + 5266.

It is an arithmetic number, because the mean of its divisors is an integer number (437008).

2^2989231 is an apocalyptic number.

2989231 is a deficient number, since it is larger than the sum of its proper divisors (506833).

2989231 is an equidigital number, since it uses as much as digits as its factorization.

2989231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9981.

The product of its digits is 7776, while the sum is 34.

The square root of 2989231 is about 1728.9392701885. The cubic root of 2989231 is about 144.0521769510.

The spelling of 2989231 in words is "two million, nine hundred eighty-nine thousand, two hundred thirty-one".