196207489 has 4 divisors (see below), whose sum is σ = 207749124. Its totient is φ = 184665856.

The previous prime is 196207483. The next prime is 196207511. The reversal of 196207489 is 984702691.

196207489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143209089 + 52998400 = 11967^2 + 7280^2 .

It is a cyclic number.

It is not a de Polignac number, because 196207489 - 2¹¹ = 196205441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196207483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5770792 + ... + 5770825.

It is an arithmetic number, because the mean of its divisors is an integer number (51937281).

Almost surely, 2^196207489 is an apocalyptic number.

It is an amenable number.

196207489 is a deficient number, since it is larger than the sum of its proper divisors (11541635).

196207489 is a wasteful number, since it uses less digits than its factorization.

196207489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11541634.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 196207489 is about 14007.4083612922. The cubic root of 196207489 is about 581.0834771132.

The spelling of 196207489 in words is "one hundred ninety-six million, two hundred seven thousand, four hundred eighty-nine".