196659240 has 64 divisors (see below), whose sum is σ = 592704000. Its totient is φ = 52200192.

The previous prime is 196659209. The next prime is 196659251. The reversal of 196659240 is 42956691.

It is a happy number.

196659240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 196659192 and 196659201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23086 + ... + 30434.

It is an arithmetic number, because the mean of its divisors is an integer number (9261000).

Almost surely, 2^196659240 is an apocalyptic number.

196659240 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 196659240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296352000).

196659240 is an abundant number, since it is smaller than the sum of its proper divisors (396044760).

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

196659240 is a wasteful number, since it uses less digits than its factorization.

196659240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7586 (or 7582 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 196659240 is about 14023.5245213177. The cubic root of 196659240 is about 581.5291003246.

The spelling of 196659240 in words is "one hundred ninety-six million, six hundred fifty-nine thousand, two hundred forty".