196505402 has 16 divisors (see below), whose sum is σ = 303246720. Its totient is φ = 95454048.

The previous prime is 196505401. The next prime is 196505423. The reversal of 196505402 is 204505691.

It is a happy number.

It is a super-2 number, since 2×196505402² = 77228746030363208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196505401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5249 + ... + 20507.

It is an arithmetic number, because the mean of its divisors is an integer number (18952920).

Almost surely, 2^196505402 is an apocalyptic number.

196505402 is a deficient number, since it is larger than the sum of its proper divisors (106741318).

196505402 is a wasteful number, since it uses less digits than its factorization.

196505402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15445.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 196505402 is about 14018.0384505108. The cubic root of 196505402 is about 581.3774257646.

It can be divided in two parts, 19650 and 5402, that added together give a palindrome (25052).

The spelling of 196505402 in words is "one hundred ninety-six million, five hundred five thousand, four hundred two".