18814941 has 12 divisors (see below), whose sum is σ = 27840540. Its totient is φ = 12237120.

The previous prime is 18814909. The next prime is 18814967. The reversal of 18814941 is 14941881.

It can be written as a sum of positive squares in 2 ways, for example, as 4639716 + 14175225 = 2154^2 + 3765^2 .

It is not a de Polignac number, because 18814941 - 2⁵ = 18814909 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18814896 and 18814905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18814141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25126 + ... + 25863.

It is an arithmetic number, because the mean of its divisors is an integer number (2320045).

Almost surely, 2^18814941 is an apocalyptic number.

It is an amenable number.

18814941 is a deficient number, since it is larger than the sum of its proper divisors (9025599).

18814941 is a wasteful number, since it uses less digits than its factorization.

18814941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51036 (or 51033 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 18814941 is about 4337.6192778989. The cubic root of 18814941 is about 265.9710004755.

It can be divided in two parts, 188 and 14941, that added together give a square (15129 = 123²).

The spelling of 18814941 in words is "eighteen million, eight hundred fourteen thousand, nine hundred forty-one".