196439922 has 72 divisors (see below), whose sum is σ = 497489616. Its totient is φ = 55856304.

The previous prime is 196439921. The next prime is 196439923. The reversal of 196439922 is 229934691.

It is a happy number.

196439922 is a `hidden beast` number, since 196 + 439 + 9 + 22 = 666.

196439922 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (196439921) and next prime (196439923).

It is not an unprimeable number, because it can be changed into a prime (196439921) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 249213 + ... + 249999.

It is an arithmetic number, because the mean of its divisors is an integer number (6909578).

Almost surely, 2^196439922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196439922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248744808).

196439922 is an abundant number, since it is smaller than the sum of its proper divisors (301049694).

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

196439922 is a wasteful number, since it uses less digits than its factorization.

196439922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1082 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 196439922 is about 14015.7026937646. The cubic root of 196439922 is about 581.3128425984.

The spelling of 196439922 in words is "one hundred ninety-six million, four hundred thirty-nine thousand, nine hundred twenty-two".