18805941 has 36 divisors (see below), whose sum is σ = 34137376. Its totient is φ = 9765360.

The previous prime is 18805939. The next prime is 18805951. The reversal of 18805941 is 14950881.

It is not a de Polignac number, because 18805941 - 2¹ = 18805939 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18805896 and 18805905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18805951) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6390 + ... + 8856.

Almost surely, 2^18805941 is an apocalyptic number.

18805941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18805941 is a deficient number, since it is larger than the sum of its proper divisors (15331435).

18805941 is a wasteful number, since it uses less digits than its factorization.

18805941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502 (or 2488 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 18805941 is about 4336.5817183584. The cubic root of 18805941 is about 265.9285852343.

The spelling of 18805941 in words is "eighteen million, eight hundred five thousand, nine hundred forty-one".