196049879 has 4 divisors (see below), whose sum is σ = 197365800. Its totient is φ = 194733960.

The previous prime is 196049873. The next prime is 196049881. The reversal of 196049879 is 978940691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978940691 = 1493 ⋅655687.

It is a cyclic number.

It is not a de Polignac number, because 196049879 - 2⁴ = 196049863 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 196049879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196049873) 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, 657737 + ... + 658034.

It is an arithmetic number, because the mean of its divisors is an integer number (49341450).

Almost surely, 2^196049879 is an apocalyptic number.

196049879 is a deficient number, since it is larger than the sum of its proper divisors (1315921).

196049879 is a wasteful number, since it uses less digits than its factorization.

196049879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315920.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 196049879 is about 14001.7812795373. The cubic root of 196049879 is about 580.9278440790.

The spelling of 196049879 in words is "one hundred ninety-six million, forty-nine thousand, eight hundred seventy-nine".