196449967 has 24 divisors (see below), whose sum is σ = 233804880. Its totient is φ = 164545920.

The previous prime is 196449947. The next prime is 196449991. The reversal of 196449967 is 769944691.

It is a happy number.

It is not a de Polignac number, because 196449967 - 2¹⁹ = 195925679 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 (196449907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466417 + ... + 466837.

It is an arithmetic number, because the mean of its divisors is an integer number (9741870).

Almost surely, 2^196449967 is an apocalyptic number.

196449967 is a deficient number, since it is larger than the sum of its proper divisors (37354913).

196449967 is a wasteful number, since it uses less digits than its factorization.

196449967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 624 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 55.

The square root of 196449967 is about 14016.0610372529. The cubic root of 196449967 is about 581.3227509509.

The spelling of 196449967 in words is "one hundred ninety-six million, four hundred forty-nine thousand, nine hundred sixty-seven".