196373405 has 4 divisors (see below), whose sum is σ = 235648092. Its totient is φ = 157098720.

The previous prime is 196373377. The next prime is 196373407. The reversal of 196373405 is 504373691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22080601 + 174292804 = 4699^2 + 13202^2 .

It is a de Polignac number, because none of the positive numbers 2^k-196373405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196373407) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19637336 + ... + 19637345.

It is an arithmetic number, because the mean of its divisors is an integer number (58912023).

Almost surely, 2^196373405 is an apocalyptic number.

It is an amenable number.

196373405 is a deficient number, since it is larger than the sum of its proper divisors (39274687).

196373405 is an equidigital number, since it uses as much as digits as its factorization.

196373405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39274686.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 196373405 is about 14013.3295472561. The cubic root of 196373405 is about 581.2472219392.

The spelling of 196373405 in words is "one hundred ninety-six million, three hundred seventy-three thousand, four hundred five".