196368405 has 16 divisors (see below), whose sum is σ = 317074560. Its totient is φ = 103768128.

The previous prime is 196368383. The next prime is 196368407. The reversal of 196368405 is 504863691.

It is not a de Polignac number, because 196368405 - 2⁸ = 196368149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196368407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58417 + ... + 61686.

It is an arithmetic number, because the mean of its divisors is an integer number (19817160).

Almost surely, 2^196368405 is an apocalyptic number.

196368405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196368405 is a deficient number, since it is larger than the sum of its proper divisors (120706155).

196368405 is a wasteful number, since it uses less digits than its factorization.

196368405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120220.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 196368405 is about 14013.1511445499. The cubic root of 196368405 is about 581.2422887172.

The spelling of 196368405 in words is "one hundred ninety-six million, three hundred sixty-eight thousand, four hundred five".