196210389 has 4 divisors (see below), whose sum is σ = 261613856. Its totient is φ = 130806924.

The previous prime is 196210381. The next prime is 196210411. The reversal of 196210389 is 983012691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 196210389 - 2³ = 196210381 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 (196210381) 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, 32701729 + ... + 32701734.

It is an arithmetic number, because the mean of its divisors is an integer number (65403464).

Almost surely, 2^196210389 is an apocalyptic number.

It is an amenable number.

196210389 is a deficient number, since it is larger than the sum of its proper divisors (65403467).

196210389 is an equidigital number, since it uses as much as digits as its factorization.

196210389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65403466.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 196210389 is about 14007.5118775606. The cubic root of 196210389 is about 581.0863399563.

The spelling of 196210389 in words is "one hundred ninety-six million, two hundred ten thousand, three hundred eighty-nine".