196196049 has 81 divisors (see below), whose sum is σ = 356912283. Its totient is φ = 103539744.

The previous prime is 196196017. The next prime is 196196051. The reversal of 196196049 is 940691691.

The square root of 196196049 is 14007.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 102880449 + 93315600 = 10143^2 + 9660^2 .

It is not a de Polignac number, because 196196049 - 2⁵ = 196196017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196195995 and 196196013.

It is not an unprimeable number, because it can be changed into a prime (196196059) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 6765367 + ... + 6765395.

Almost surely, 2^196196049 is an apocalyptic number.

196196049 is the 14007-th square number.

196196049 is the 7004-th centered octagonal number.

It is an amenable number.

196196049 is a deficient number, since it is larger than the sum of its proper divisors (160716234).

196196049 is a wasteful number, since it uses less digits than its factorization.

196196049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The cubic root of 196196049 is about 581.0721834156.

Multiplying 196196049 by its product of nonzero digits (104976), we get a square (20595876439824 = 4538268²).

The spelling of 196196049 in words is "one hundred ninety-six million, one hundred ninety-six thousand, forty-nine".