196389120 has 144 divisors (see below), whose sum is σ = 632822400. Its totient is φ = 51904512.

The previous prime is 196389113. The next prime is 196389133. The reversal of 196389120 is 21983691.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764032 + ... + 764288.

It is an arithmetic number, because the mean of its divisors is an integer number (4394600).

Almost surely, 2^196389120 is an apocalyptic number.

196389120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196389120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316411200).

196389120 is an abundant number, since it is smaller than the sum of its proper divisors (436433280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196389120 is a wasteful number, since it uses less digits than its factorization.

196389120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 466 counting only the distinct ones).

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

The square root of 196389120 is about 14013.8902521748. The cubic root of 196389120 is about 581.2627265106.

The spelling of 196389120 in words is "one hundred ninety-six million, three hundred eighty-nine thousand, one hundred twenty".