19896941 has 2 divisors, whose sum is σ = 19896942. Its totient is φ = 19896940.

The previous prime is 19896913. The next prime is 19896959. The reversal of 19896941 is 14969891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19616041 + 280900 = 4429^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 19896941 - 2¹⁴ = 19880557 is a prime.

It is a super-2 number, since 2×19896941² = 791776522314962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19896901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9948470 + 9948471.

It is an arithmetic number, because the mean of its divisors is an integer number (9948471).

Almost surely, 2^19896941 is an apocalyptic number.

It is an amenable number.

19896941 is a deficient number, since it is larger than the sum of its proper divisors (1).

19896941 is an equidigital number, since it uses as much as digits as its factorization.

19896941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 47.

The square root of 19896941 is about 4460.5987266285. The cubic root of 19896941 is about 270.9747165766.

The spelling of 19896941 in words is "nineteen million, eight hundred ninety-six thousand, nine hundred forty-one".