18900541 has 8 divisors (see below), whose sum is σ = 20696544. Its totient is φ = 17117520.

The previous prime is 18900529. The next prime is 18900569. The reversal of 18900541 is 14500981.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 18900541 - 2¹¹ = 18898493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18901541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55 + ... + 6148.

It is an arithmetic number, because the mean of its divisors is an integer number (2587068).

Almost surely, 2^18900541 is an apocalyptic number.

18900541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18900541 is a deficient number, since it is larger than the sum of its proper divisors (1796003).

18900541 is a wasteful number, since it uses less digits than its factorization.

18900541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 18900541 is about 4347.4752443228. The cubic root of 18900541 is about 266.3737420650.

The spelling of 18900541 in words is "eighteen million, nine hundred thousand, five hundred forty-one".