196395820 has 12 divisors (see below), whose sum is σ = 412431264. Its totient is φ = 78558320.

The previous prime is 196395811. The next prime is 196395821. The reversal of 196395820 is 28593691.

It is a happy number.

196395820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×196395820² = 77142636226944800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196395821) 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, 4909876 + ... + 4909915.

It is an arithmetic number, because the mean of its divisors is an integer number (34369272).

Almost surely, 2^196395820 is an apocalyptic number.

196395820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196395820 is an abundant number, since it is smaller than the sum of its proper divisors (216035444).

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

196395820 is a wasteful number, since it uses less digits than its factorization.

196395820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9819800 (or 9819798 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 196395820 is about 14014.1292986757. The cubic root of 196395820 is about 581.2693365441.

The spelling of 196395820 in words is "one hundred ninety-six million, three hundred ninety-five thousand, eight hundred twenty".