2918973 has 4 divisors (see below), whose sum is σ = 3891968. Its totient is φ = 1945980.

The previous prime is 2918963. The next prime is 2918977. The reversal of 2918973 is 3798192.

2918973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2918973 - 2⁸ = 2918717 is a prime.

It is a D-number.

It is the 1709-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2918977) by changing a digit.

It is a nontrivial repunit in base 1708.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486493 + ... + 486498.

It is an arithmetic number, because the mean of its divisors is an integer number (972992).

2^2918973 is an apocalyptic number.

It is an amenable number.

2918973 is a deficient number, since it is larger than the sum of its proper divisors (972995).

2918973 is an equidigital number, since it uses as much as digits as its factorization.

2918973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972994.

The product of its digits is 27216, while the sum is 39.

The square root of 2918973 is about 1708.5002194908. The cubic root of 2918973 is about 142.9146311007.

The spelling of 2918973 in words is "two million, nine hundred eighteen thousand, nine hundred seventy-three".