7918266 has 8 divisors (see below), whose sum is σ = 15836544. Its totient is φ = 2639420.

The previous prime is 7918223. The next prime is 7918291. The reversal of 7918266 is 6628197.

It is a sphenic number, since it is the product of 3 distinct primes.

7918266 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 659850 + ... + 659861.

It is an arithmetic number, because the mean of its divisors is an integer number (1979568).

Almost surely, 2^7918266 is an apocalyptic number.

7918266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7918266 is a wasteful number, since it uses less digits than its factorization.

7918266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319716.

The product of its digits is 36288, while the sum is 39.

The square root of 7918266 is about 2813.9413639946. The cubic root of 7918266 is about 199.3165504774.

The spelling of 7918266 in words is "seven million, nine hundred eighteen thousand, two hundred sixty-six".