2918489 has 6 divisors (see below), whose sum is σ = 3395034. Its totient is φ = 2501520.

The previous prime is 2918479. The next prime is 2918491. The reversal of 2918489 is 9848192.

It can be written as a sum of positive squares in only one way, i.e., 2917264 + 1225 = 1708^2 + 35^2 .

It is not a de Polignac number, because 2918489 - 2¹² = 2914393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2918479) 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, 29732 + ... + 29829.

It is an arithmetic number, because the mean of its divisors is an integer number (565839).

2^2918489 is an apocalyptic number.

It is an amenable number.

2918489 is a deficient number, since it is larger than the sum of its proper divisors (476545).

2918489 is an equidigital number, since it uses as much as digits as its factorization.

2918489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59575 (or 59568 counting only the distinct ones).

The product of its digits is 41472, while the sum is 41.

The square root of 2918489 is about 1708.3585689193. The cubic root of 2918489 is about 142.9067316894.

The spelling of 2918489 in words is "two million, nine hundred eighteen thousand, four hundred eighty-nine".