18941008 has 10 divisors (see below), whose sum is σ = 36698234. Its totient is φ = 9470496.

The previous prime is 18940993. The next prime is 18941011. The reversal of 18941008 is 80014981.

It can be written as a sum of positive squares in only one way, i.e., 17875984 + 1065024 = 4228^2 + 1032^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591891 + ... + 591922.

Almost surely, 2^18941008 is an apocalyptic number.

It is an amenable number.

18941008 is a deficient number, since it is larger than the sum of its proper divisors (17757226).

18941008 is a wasteful number, since it uses less digits than its factorization.

18941008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183821 (or 1183815 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 18941008 is about 4352.1268363870. The cubic root of 18941008 is about 266.5637130350.

Adding to 18941008 its reverse (80014981), we get a palindrome (98955989).

The spelling of 18941008 in words is "eighteen million, nine hundred forty-one thousand, eight".