196229940 has 24 divisors (see below), whose sum is σ = 549444000. Its totient is φ = 52327968.

The previous prime is 196229939. The next prime is 196229947. The reversal of 196229940 is 49922691.

It is a junction number, because it is equal to n+sod(n) for n = 196229892 and 196229901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196229947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635190 + ... + 1635309.

It is an arithmetic number, because the mean of its divisors is an integer number (22893500).

Almost surely, 2^196229940 is an apocalyptic number.

196229940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196229940 is an abundant number, since it is smaller than the sum of its proper divisors (353214060).

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

196229940 is a wasteful number, since it uses less digits than its factorization.

196229940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270511 (or 3270509 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 196229940 is about 14008.2097357228. The cubic root of 196229940 is about 581.1056397188.

The spelling of 196229940 in words is "one hundred ninety-six million, two hundred twenty-nine thousand, nine hundred forty".