19483397 has 2 divisors, whose sum is σ = 19483398. Its totient is φ = 19483396.

The previous prime is 19483391. The next prime is 19483403. The reversal of 19483397 is 79338491.

It is a happy number.

It is a Cunningham number, because it is equal to 4414²+1.

It is a balanced prime because it is at equal distance from previous prime (19483391) and next prime (19483403).

It can be written as a sum of positive squares in only one way, i.e., 19483396 + 1 = 4414^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 19483397 - 2¹⁰ = 19482373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19483391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9741698 + 9741699.

It is an arithmetic number, because the mean of its divisors is an integer number (9741699).

Almost surely, 2^19483397 is an apocalyptic number.

It is an amenable number.

19483397 is a deficient number, since it is larger than the sum of its proper divisors (1).

19483397 is an equidigital number, since it uses as much as digits as its factorization.

19483397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 19483397 is about 4414.0001132759. Note that the first 3 decimals coincide. The cubic root of 19483397 is about 269.0842179057.

The spelling of 19483397 in words is "nineteen million, four hundred eighty-three thousand, three hundred ninety-seven".