196189974 has 12 divisors (see below), whose sum is σ = 425078316. Its totient is φ = 65396652.

The previous prime is 196189913. The next prime is 196189993. The reversal of 196189974 is 479981691.

196189974 is a `hidden beast` number, since 19 + 618 + 9 + 9 + 7 + 4 = 666.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 196189974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5449704 + ... + 5449739.

It is an arithmetic number, because the mean of its divisors is an integer number (35423193).

Almost surely, 2^196189974 is an apocalyptic number.

196189974 is an abundant number, since it is smaller than the sum of its proper divisors (228888342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196189974 is a wasteful number, since it uses less digits than its factorization.

196189974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10899451 (or 10899448 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 196189974 is about 14006.7831424635. The cubic root of 196189974 is about 581.0661859282.

It can be divided in two parts, 19618 and 9974, that added together give a palindrome (29592).

The spelling of 196189974 in words is "one hundred ninety-six million, one hundred eighty-nine thousand, nine hundred seventy-four".