19896097 has 16 divisors (see below), whose sum is σ = 22792000. Its totient is φ = 17216064.

The previous prime is 19896083. The next prime is 19896109. The reversal of 19896097 is 79069891.

It is a cyclic number.

It is not a de Polignac number, because 19896097 - 2⁷ = 19895969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19896097.

It is not an unprimeable number, because it can be changed into a prime (19896197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26554 + ... + 27292.

It is an arithmetic number, because the mean of its divisors is an integer number (1424500).

Almost surely, 2^19896097 is an apocalyptic number.

It is an amenable number.

19896097 is a deficient number, since it is larger than the sum of its proper divisors (2895903).

19896097 is a wasteful number, since it uses less digits than its factorization.

19896097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 19896097 is about 4460.5041194914. The cubic root of 19896097 is about 270.9708850681.

The spelling of 19896097 in words is "nineteen million, eight hundred ninety-six thousand, ninety-seven".