18926041 has 2 divisors, whose sum is σ = 18926042. Its totient is φ = 18926040.

The previous prime is 18926029. The next prime is 18926057. The reversal of 18926041 is 14062981.

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., 12145225 + 6780816 = 3485^2 + 2604^2 .

It is a cyclic number.

It is not a de Polignac number, because 18926041 - 2¹³ = 18917849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18925994 and 18926012.

It is not a weakly prime, because it can be changed into another prime (18926021) 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 as a sum of consecutive naturals, namely, 9463020 + 9463021.

It is an arithmetic number, because the mean of its divisors is an integer number (9463021).

Almost surely, 2^18926041 is an apocalyptic number.

It is an amenable number.

18926041 is a deficient number, since it is larger than the sum of its proper divisors (1).

18926041 is an equidigital number, since it uses as much as digits as its factorization.

18926041 is an odious number, because the sum of its binary digits is odd.

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

The square root of 18926041 is about 4350.4069924548. The cubic root of 18926041 is about 266.4934825168.

The spelling of 18926041 in words is "eighteen million, nine hundred twenty-six thousand, forty-one".