18026941 has 2 divisors, whose sum is σ = 18026942. Its totient is φ = 18026940.

The previous prime is 18026927. The next prime is 18026959. The reversal of 18026941 is 14962081.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10304100 + 7722841 = 3210^2 + 2779^2 .

It is a cyclic number.

It is not a de Polignac number, because 18026941 - 2⁵ = 18026909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18026741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9013470 + 9013471.

It is an arithmetic number, because the mean of its divisors is an integer number (9013471).

Almost surely, 2^18026941 is an apocalyptic number.

It is an amenable number.

18026941 is a deficient number, since it is larger than the sum of its proper divisors (1).

18026941 is an equidigital number, since it uses as much as digits as its factorization.

18026941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 18026941 is about 4245.8145272727. The cubic root of 18026941 is about 262.2048249720.

The spelling of 18026941 in words is "eighteen million, twenty-six thousand, nine hundred forty-one".