19830097 has 4 divisors (see below), whose sum is σ = 22662976. Its totient is φ = 16997220.

The previous prime is 19830089. The next prime is 19830103. The reversal of 19830097 is 79003891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19830097 - 2³ = 19830089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19830047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416429 + ... + 1416442.

It is an arithmetic number, because the mean of its divisors is an integer number (5665744).

Almost surely, 2^19830097 is an apocalyptic number.

It is an amenable number.

19830097 is a deficient number, since it is larger than the sum of its proper divisors (2832879).

19830097 is an equidigital number, since it uses as much as digits as its factorization.

19830097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832878.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 19830097 is about 4453.0997069457. The cubic root of 19830097 is about 270.6709285798.

It can be divided in two parts, 19 and 830097, that added together give a triangular number (830116 = T₁₂₈₈).

The spelling of 19830097 in words is "nineteen million, eight hundred thirty thousand, ninety-seven".