196690940 has 48 divisors (see below), whose sum is σ = 441564480. Its totient is φ = 73413120.

The previous prime is 196690933. The next prime is 196690957. The reversal of 196690940 is 49096691.

It is a junction number, because it is equal to n+sod(n) for n = 196690891 and 196690900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13646 + ... + 24074.

It is an arithmetic number, because the mean of its divisors is an integer number (9199260).

Almost surely, 2^196690940 is an apocalyptic number.

196690940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196690940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220782240).

196690940 is an abundant number, since it is smaller than the sum of its proper divisors (244873540).

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

196690940 is a wasteful number, since it uses less digits than its factorization.

196690940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10502 (or 10500 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 196690940 is about 14024.6547194574. The cubic root of 196690940 is about 581.5603446944.

The spelling of 196690940 in words is "one hundred ninety-six million, six hundred ninety thousand, nine hundred forty".