18941006 has 32 divisors (see below), whose sum is σ = 34490880. Its totient is φ = 7625376.

The previous prime is 18940993. The next prime is 18941011. The reversal of 18941006 is 60014981.

It is a self number, because there is not a number n which added to its sum of digits gives 18941006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18500 + ... + 19496.

It is an arithmetic number, because the mean of its divisors is an integer number (1077840).

Almost surely, 2^18941006 is an apocalyptic number.

18941006 is a deficient number, since it is larger than the sum of its proper divisors (15549874).

18941006 is a wasteful number, since it uses less digits than its factorization.

18941006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 18941006 is about 4352.1266066143. The cubic root of 18941006 is about 266.5637036527.

Adding to 18941006 its reverse (60014981), we get a palindrome (78955987).

The spelling of 18941006 in words is "eighteen million, nine hundred forty-one thousand, six".