196466489 has 4 divisors (see below), whose sum is σ = 197165940. Its totient is φ = 195767040.

The previous prime is 196466471. The next prime is 196466497. The reversal of 196466489 is 984664691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984664691 = 421 ⋅2338871.

It can be written as a sum of positive squares in 2 ways, for example, as 123654400 + 72812089 = 11120^2 + 8533^2 .

It is a cyclic number.

It is not a de Polignac number, because 196466489 - 2⁸ = 196466233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196466489.

It is not an unprimeable number, because it can be changed into a prime (196466429) 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, 349304 + ... + 349865.

It is an arithmetic number, because the mean of its divisors is an integer number (49291485).

Almost surely, 2^196466489 is an apocalyptic number.

It is an amenable number.

196466489 is a deficient number, since it is larger than the sum of its proper divisors (699451).

196466489 is an equidigital number, since it uses as much as digits as its factorization.

196466489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699450.

The product of its digits is 2239488, while the sum is 53.

The square root of 196466489 is about 14016.6504201253. The cubic root of 196466489 is about 581.3390474587.

It can be divided in two parts, 196 and 466489, that multiplied together give a square (91431844 = 9562²).

The spelling of 196466489 in words is "one hundred ninety-six million, four hundred sixty-six thousand, four hundred eighty-nine".