196815273 has 24 divisors (see below), whose sum is σ = 284056992. Its totient is φ = 120795264.

The previous prime is 196815271. The next prime is 196815287. The reversal of 196815273 is 372518691.

It is not a de Polignac number, because 196815273 - 2¹ = 196815271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196815271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111786 + ... + 113532.

It is an arithmetic number, because the mean of its divisors is an integer number (11835708).

Almost surely, 2^196815273 is an apocalyptic number.

It is an amenable number.

196815273 is a deficient number, since it is larger than the sum of its proper divisors (87241719).

196815273 is a wasteful number, since it uses less digits than its factorization.

196815273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1814 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 196815273 is about 14029.0866773286. The cubic root of 196815273 is about 581.6828582377.

The spelling of 196815273 in words is "one hundred ninety-six million, eight hundred fifteen thousand, two hundred seventy-three".