196949555 has 8 divisors (see below), whose sum is σ = 257824944. Its totient is φ = 143236000.

The previous prime is 196949549. The next prime is 196949561. The reversal of 196949555 is 555949691.

It is an interprime number because it is at equal distance from previous prime (196949549) and next prime (196949561).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-196949555 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196949497 and 196949506.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1790396 + ... + 1790505.

It is an arithmetic number, because the mean of its divisors is an integer number (32228118).

Almost surely, 2^196949555 is an apocalyptic number.

196949555 is a deficient number, since it is larger than the sum of its proper divisors (60875389).

196949555 is a wasteful number, since it uses less digits than its factorization.

196949555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580917.

The product of its digits is 2187000, while the sum is 53.

The square root of 196949555 is about 14033.8717038457. The cubic root of 196949555 is about 581.8151172490.

The spelling of 196949555 in words is "one hundred ninety-six million, nine hundred forty-nine thousand, five hundred fifty-five".