2918439 has 12 divisors (see below), whose sum is σ = 4260256. Its totient is φ = 1924992.

The previous prime is 2918437. The next prime is 2918471. The reversal of 2918439 is 9348192.

It is not a de Polignac number, because 2918439 - 2¹ = 2918437 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 (2918431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799 + ... + 2544.

2^2918439 is an apocalyptic number.

2918439 is a deficient number, since it is larger than the sum of its proper divisors (1341817).

2918439 is a wasteful number, since it uses less digits than its factorization.

2918439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446 (or 3443 counting only the distinct ones).

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

The square root of 2918439 is about 1708.3439349265. The cubic root of 2918439 is about 142.9059155847.

The spelling of 2918439 in words is "two million, nine hundred eighteen thousand, four hundred thirty-nine".