2989711 has 4 divisors (see below), whose sum is σ = 3070552. Its totient is φ = 2908872.

The previous prime is 2989691. The next prime is 2989757. The reversal of 2989711 is 1179892.

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

It is a cyclic number.

It is not a de Polignac number, because 2989711 - 2²¹ = 892559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 80803 = 2989711 / (2 + 9 + 8 + 9 + 7 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989771) 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, 40365 + ... + 40438.

It is an arithmetic number, because the mean of its divisors is an integer number (767638).

2^2989711 is an apocalyptic number.

2989711 is a deficient number, since it is larger than the sum of its proper divisors (80841).

2989711 is an equidigital number, since it uses as much as digits as its factorization.

2989711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80840.

The product of its digits is 9072, while the sum is 37.

The square root of 2989711 is about 1729.0780780520. The cubic root of 2989711 is about 144.0598869991.

The spelling of 2989711 in words is "two million, nine hundred eighty-nine thousand, seven hundred eleven".