18906041 has 8 divisors (see below), whose sum is σ = 23571264. Its totient is φ = 14731920.

The previous prime is 18906031. The next prime is 18906049. The reversal of 18906041 is 14060981.

18906041 = 1306² + 1307² + ... + 1316².

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

It is not a de Polignac number, because 18906041 - 2¹⁰ = 18905017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18905995 and 18906013.

It is not an unprimeable number, because it can be changed into a prime (18906049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 122690 + ... + 122843.

It is an arithmetic number, because the mean of its divisors is an integer number (2946408).

Almost surely, 2^18906041 is an apocalyptic number.

18906041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18906041 is a deficient number, since it is larger than the sum of its proper divisors (4665223).

18906041 is a wasteful number, since it uses less digits than its factorization.

18906041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245551.

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

The square root of 18906041 is about 4348.1077493549. The cubic root of 18906041 is about 266.3995775423.

The spelling of 18906041 in words is "eighteen million, nine hundred six thousand, forty-one".