7918964 has 6 divisors (see below), whose sum is σ = 13858194. Its totient is φ = 3959480.

The previous prime is 7918961. The next prime is 7918979. The reversal of 7918964 is 4698197.

It can be written as a sum of positive squares in only one way, i.e., 5326864 + 2592100 = 2308^2 + 1610^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7918961) 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 as a sum of consecutive naturals, namely, 989867 + ... + 989874.

It is an arithmetic number, because the mean of its divisors is an integer number (2309699).

Almost surely, 2^7918964 is an apocalyptic number.

It is an amenable number.

7918964 is a deficient number, since it is larger than the sum of its proper divisors (5939230).

7918964 is a wasteful number, since it uses less digits than its factorization.

7918964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979745 (or 1979743 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 7918964 is about 2814.0653865893. The cubic root of 7918964 is about 199.3224069307.

The spelling of 7918964 in words is "seven million, nine hundred eighteen thousand, nine hundred sixty-four".