19341397 has 2 divisors, whose sum is σ = 19341398. Its totient is φ = 19341396.

The previous prime is 19341383. The next prime is 19341403. The reversal of 19341397 is 79314391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19280881 + 60516 = 4391^2 + 246^2 .

It is a cyclic number.

It is not a de Polignac number, because 19341397 - 2¹⁹ = 18817109 is a prime.

It is a super-3 number, since 3×19341397³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19341317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9670698 + 9670699.

It is an arithmetic number, because the mean of its divisors is an integer number (9670699).

Almost surely, 2^19341397 is an apocalyptic number.

It is an amenable number.

19341397 is a deficient number, since it is larger than the sum of its proper divisors (1).

19341397 is an equidigital number, since it uses as much as digits as its factorization.

19341397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 19341397 is about 4397.8855146536. The cubic root of 19341397 is about 268.4289049977.

The spelling of 19341397 in words is "nineteen million, three hundred forty-one thousand, three hundred ninety-seven".