196544940 has 24 divisors (see below), whose sum is σ = 550326000. Its totient is φ = 52411968.

The previous prime is 196544927. The next prime is 196544941. The reversal of 196544940 is 49445691.

It is a junction number, because it is equal to n+sod(n) for n = 196544892 and 196544901.

It is not an unprimeable number, because it can be changed into a prime (196544941) 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, 1637815 + ... + 1637934.

It is an arithmetic number, because the mean of its divisors is an integer number (22930250).

Almost surely, 2^196544940 is an apocalyptic number.

196544940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196544940 is an abundant number, since it is smaller than the sum of its proper divisors (353781060).

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

196544940 is a wasteful number, since it uses less digits than its factorization.

196544940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275761 (or 3275759 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 196544940 is about 14019.4486339513. The cubic root of 196544940 is about 581.4164152935.

The spelling of 196544940 in words is "one hundred ninety-six million, five hundred forty-four thousand, nine hundred forty".