2718989 has 8 divisors (see below), whose sum is σ = 3346560. Its totient is φ = 2151216.

The previous prime is 2718983. The next prime is 2719001. The reversal of 2718989 is 9898172.

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 2718989 - 2⁴ = 2718973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2718983) 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, 14849 + ... + 15030.

It is an arithmetic number, because the mean of its divisors is an integer number (418320).

2^2718989 is an apocalyptic number.

It is an amenable number.

2718989 is a deficient number, since it is larger than the sum of its proper divisors (627571).

2718989 is a wasteful number, since it uses less digits than its factorization.

2718989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29899.

The product of its digits is 72576, while the sum is 44.

The square root of 2718989 is about 1648.9357173644. The cubic root of 2718989 is about 139.5733439251.

The spelling of 2718989 in words is "two million, seven hundred eighteen thousand, nine hundred eighty-nine".