19940341 has 2 divisors, whose sum is σ = 19940342. Its totient is φ = 19940340.

The previous prime is 19940321. The next prime is 19940357. The reversal of 19940341 is 14304991.

19940341 is nontrivially palindromic in base 15.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14516100 + 5424241 = 3810^2 + 2329^2 .

It is a cyclic number.

It is not a de Polignac number, because 19940341 - 2¹⁹ = 19416053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19940321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9970170 + 9970171.

It is an arithmetic number, because the mean of its divisors is an integer number (9970171).

Almost surely, 2^19940341 is an apocalyptic number.

It is an amenable number.

19940341 is a deficient number, since it is larger than the sum of its proper divisors (1).

19940341 is an equidigital number, since it uses as much as digits as its factorization.

19940341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 19940341 is about 4465.4608944654. The cubic root of 19940341 is about 271.1715937811.

The spelling of 19940341 in words is "nineteen million, nine hundred forty thousand, three hundred forty-one".