196904205 has 12 divisors (see below), whose sum is σ = 341300700. Its totient is φ = 105015552.

The previous prime is 196904179. The next prime is 196904221. The reversal of 196904205 is 502409691.

196904205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 125484804 + 71419401 = 11202^2 + 8451^2 .

It is not a de Polignac number, because 196904205 - 2⁷ = 196904077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196904205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2187780 + ... + 2187869.

It is an arithmetic number, because the mean of its divisors is an integer number (28441725).

Almost surely, 2^196904205 is an apocalyptic number.

196904205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196904205 is a deficient number, since it is larger than the sum of its proper divisors (144396495).

196904205 is a wasteful number, since it uses less digits than its factorization.

196904205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375660 (or 4375657 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 196904205 is about 14032.2558770855. The cubic root of 196904205 is about 581.7704571820.

It can be divided in two parts, 196 and 904205, that added together give a square (904401 = 951²).

The spelling of 196904205 in words is "one hundred ninety-six million, nine hundred four thousand, two hundred five".