2986289 has 4 divisors (see below), whose sum is σ = 3001956. Its totient is φ = 2970624.

The previous prime is 2986259. The next prime is 2986301. The reversal of 2986289 is 9826892.

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

It can be written as a sum of positive squares in 2 ways, for example, as 984064 + 2002225 = 992^2 + 1415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2986289 - 2¹² = 2982193 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2986229) 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, 7544 + ... + 7929.

It is an arithmetic number, because the mean of its divisors is an integer number (750489).

2^2986289 is an apocalyptic number.

It is an amenable number.

2986289 is a deficient number, since it is larger than the sum of its proper divisors (15667).

2986289 is a wasteful number, since it uses less digits than its factorization.

2986289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15666.

The product of its digits is 124416, while the sum is 44.

The square root of 2986289 is about 1728.0882500613. The cubic root of 2986289 is about 144.0049027395.

The spelling of 2986289 in words is "two million, nine hundred eighty-six thousand, two hundred eighty-nine".