196517940 has 48 divisors (see below), whose sum is σ = 552484800. Its totient is φ = 52192000.

The previous prime is 196517933. The next prime is 196517983. The reversal of 196517940 is 49715691.

It is a junction number, because it is equal to n+sod(n) for n = 196517892 and 196517901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8536 + ... + 21584.

It is an arithmetic number, because the mean of its divisors is an integer number (11510100).

Almost surely, 2^196517940 is an apocalyptic number.

196517940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196517940 is an abundant number, since it is smaller than the sum of its proper divisors (355966860).

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

196517940 is a wasteful number, since it uses less digits than its factorization.

196517940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13312 (or 13310 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 196517940 is about 14018.4856528799. The cubic root of 196517940 is about 581.3897904037.

The spelling of 196517940 in words is "one hundred ninety-six million, five hundred seventeen thousand, nine hundred forty".