18350008 has 8 divisors (see below), whose sum is σ = 34406280. Its totient is φ = 9175000.

The previous prime is 18349997. The next prime is 18350009. The reversal of 18350008 is 80005381.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18350009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1146868 + ... + 1146883.

It is an arithmetic number, because the mean of its divisors is an integer number (4300785).

Almost surely, 2^18350008 is an apocalyptic number.

It is an amenable number.

18350008 is a deficient number, since it is larger than the sum of its proper divisors (16056272).

18350008 is a wasteful number, since it uses less digits than its factorization.

18350008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293757 (or 2293753 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 18350008 is about 4283.6909318951. The cubic root of 18350008 is about 263.7619142136.

Adding to 18350008 its reverse (80005381), we get a palindrome (98355389).

The spelling of 18350008 in words is "eighteen million, three hundred fifty thousand, eight".