18700941 has 16 divisors (see below), whose sum is σ = 28629504. Its totient is φ = 10636464.

The previous prime is 18700937. The next prime is 18700943. The reversal of 18700941 is 14900781.

It is not a de Polignac number, because 18700941 - 2² = 18700937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18700899 and 18700908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18700943) 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 15 ways as a sum of consecutive naturals, for example, 2806 + ... + 6728.

It is an arithmetic number, because the mean of its divisors is an integer number (1789344).

Almost surely, 2^18700941 is an apocalyptic number.

It is an amenable number.

18700941 is a deficient number, since it is larger than the sum of its proper divisors (9928563).

18700941 is a wasteful number, since it uses less digits than its factorization.

18700941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 18700941 is about 4324.4584632067. The cubic root of 18700941 is about 265.4327378457.

The spelling of 18700941 in words is "eighteen million, seven hundred thousand, nine hundred forty-one".