2989431 has 6 divisors (see below), whose sum is σ = 4318080. Its totient is φ = 1992948.

The previous prime is 2989429. The next prime is 2989447. The reversal of 2989431 is 1349892.

It is not a de Polignac number, because 2989431 - 2¹ = 2989429 is a prime.

It is a super-2 number, since 2×2989431² = 17873395407522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166071 + ... + 166088.

It is an arithmetic number, because the mean of its divisors is an integer number (719680).

2^2989431 is an apocalyptic number.

2989431 is a deficient number, since it is larger than the sum of its proper divisors (1328649).

2989431 is a wasteful number, since it uses less digits than its factorization.

2989431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332165 (or 332162 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2989431 is about 1728.9971081526. The cubic root of 2989431 is about 144.0553895713.

The spelling of 2989431 in words is "two million, nine hundred eighty-nine thousand, four hundred thirty-one".