196268189 has 8 divisors (see below), whose sum is σ = 216521592. Its totient is φ = 176751360.

The previous prime is 196268183. The next prime is 196268243. The reversal of 196268189 is 981862691.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7425625 + 188842564 = 2725^2 + 13742^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196268189 - 2⁸ = 196267933 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 (196268183) 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, 183584 + ... + 184649.

It is an arithmetic number, because the mean of its divisors is an integer number (27065199).

Almost surely, 2^196268189 is an apocalyptic number.

It is an amenable number.

196268189 is a deficient number, since it is larger than the sum of its proper divisors (20253403).

196268189 is a wasteful number, since it uses less digits than its factorization.

196268189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368287.

The product of its digits is 373248, while the sum is 50.

The square root of 196268189 is about 14009.5749043288. The cubic root of 196268189 is about 581.1433934983.

The spelling of 196268189 in words is "one hundred ninety-six million, two hundred sixty-eight thousand, one hundred eighty-nine".