2918989 has 8 divisors (see below), whose sum is σ = 3119840. Its totient is φ = 2722896.

The previous prime is 2918977. The next prime is 2919011. The reversal of 2918989 is 9898192.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2918989 - 2⁹ = 2918477 is a prime.

It is a Duffinian number.

2918989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2918939) 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, 127 + ... + 2419.

It is an arithmetic number, because the mean of its divisors is an integer number (389980).

2^2918989 is an apocalyptic number.

It is an amenable number.

2918989 is a deficient number, since it is larger than the sum of its proper divisors (200851).

2918989 is a wasteful number, since it uses less digits than its factorization.

2918989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379.

The product of its digits is 93312, while the sum is 46.

The square root of 2918989 is about 1708.5049019538. The cubic root of 2918989 is about 142.9148922234.

The spelling of 2918989 in words is "two million, nine hundred eighteen thousand, nine hundred eighty-nine".