196288620 has 144 divisors (see below), whose sum is σ = 636357120. Its totient is φ = 45048960.

The previous prime is 196288597. The next prime is 196288643. The reversal of 196288620 is 26882691.

It is an interprime number because it is at equal distance from previous prime (196288597) and next prime (196288643).

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 47 ways as a sum of consecutive naturals, for example, 137229 + ... + 138651.

Almost surely, 2^196288620 is an apocalyptic number.

196288620 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 196288620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318178560).

196288620 is an abundant number, since it is smaller than the sum of its proper divisors (440068500).

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

196288620 is a wasteful number, since it uses less digits than its factorization.

196288620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 196288620 is about 14010.3040652229. The cubic root of 196288620 is about 581.1635579626.

The spelling of 196288620 in words is "one hundred ninety-six million, two hundred eighty-eight thousand, six hundred twenty".