2718961 has 8 divisors (see below), whose sum is σ = 3171200. Its totient is φ = 2330244.

The previous prime is 2718959. The next prime is 2718967. The reversal of 2718961 is 1698172.

It is a happy number.

It is not a de Polignac number, because 2718961 - 2¹ = 2718959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2718967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3621 + ... + 4306.

It is an arithmetic number, because the mean of its divisors is an integer number (396400).

2^2718961 is an apocalyptic number.

It is an amenable number.

2718961 is a deficient number, since it is larger than the sum of its proper divisors (452239).

2718961 is an frugal number, since it uses more digits than its factorization.

2718961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7948 (or 7934 counting only the distinct ones).

The product of its digits is 6048, while the sum is 34.

The square root of 2718961 is about 1648.9272270176. The cubic root of 2718961 is about 139.5728648172.

The spelling of 2718961 in words is "two million, seven hundred eighteen thousand, nine hundred sixty-one".