8918090 has 8 divisors (see below), whose sum is σ = 16052580. Its totient is φ = 3567232.

The previous prime is 8918069. The next prime is 8918099. The reversal of 8918090 is 908198.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8755681 + 162409 = 2959^2 + 403^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8918090.

It is not an unprimeable number, because it can be changed into a prime (8918099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445895 + ... + 445914.

Almost surely, 2^8918090 is an apocalyptic number.

8918090 is a deficient number, since it is larger than the sum of its proper divisors (7134490).

8918090 is a wasteful number, since it uses less digits than its factorization.

8918090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891816.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 8918090 is about 2986.3171298440. The cubic root of 8918090 is about 207.3754223912.

The spelling of 8918090 in words is "eight million, nine hundred eighteen thousand, ninety".