196281473 has 8 divisors (see below), whose sum is σ = 212897160. Its totient is φ = 180229120.

The previous prime is 196281467. The next prime is 196281493. The reversal of 196281473 is 374182691.

It can be written as a sum of positive squares in 4 ways, for example, as 30824704 + 165456769 = 5552^2 + 12863^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196281473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

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 196281473.

It is not an unprimeable number, because it can be changed into a prime (196281403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140108 + ... + 141501.

It is an arithmetic number, because the mean of its divisors is an integer number (26612145).

Almost surely, 2^196281473 is an apocalyptic number.

It is an amenable number.

196281473 is a deficient number, since it is larger than the sum of its proper divisors (16615687).

196281473 is a wasteful number, since it uses less digits than its factorization.

196281473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281667.

The product of its digits is 72576, while the sum is 41.

The square root of 196281473 is about 14010.0490006281. The cubic root of 196281473 is about 581.1565043590.

The spelling of 196281473 in words is "one hundred ninety-six million, two hundred eighty-one thousand, four hundred seventy-three".