196396519 has 16 divisors (see below), whose sum is σ = 220195584. Its totient is φ = 173617600.

The previous prime is 196396513. The next prime is 196396537. The reversal of 196396519 is 915693691.

It is a cyclic number.

It is not a de Polignac number, because 196396519 - 2³ = 196396511 is a prime.

It is a super-2 number, since 2×196396519² = 77143185350634722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196396511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199302 + ... + 200284.

It is an arithmetic number, because the mean of its divisors is an integer number (13762224).

Almost surely, 2^196396519 is an apocalyptic number.

196396519 is a deficient number, since it is larger than the sum of its proper divisors (23799065).

196396519 is a wasteful number, since it uses less digits than its factorization.

196396519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478.

The product of its digits is 393660, while the sum is 49.

The square root of 196396519 is about 14014.1542377698. The cubic root of 196396519 is about 581.2700261493.

The spelling of 196396519 in words is "one hundred ninety-six million, three hundred ninety-six thousand, five hundred nineteen".