196171038 has 64 divisors (see below), whose sum is σ = 514314240. Its totient is φ = 54237600.

The previous prime is 196171037. The next prime is 196171043. The reversal of 196171038 is 830171691.

196171038 is a `hidden beast` number, since 1 + 9 + 617 + 1 + 0 + 38 = 666.

It is a super-2 number, since 2×196171038² = 76966152299994888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 196170993 and 196171011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196171037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3348 + ... + 20088.

It is an arithmetic number, because the mean of its divisors is an integer number (8036160).

Almost surely, 2^196171038 is an apocalyptic number.

196171038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 196171038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257157120).

196171038 is an abundant number, since it is smaller than the sum of its proper divisors (318143202).

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

196171038 is a wasteful number, since it uses less digits than its factorization.

196171038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16790 (or 16784 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 196171038 is about 14006.1071679464. The cubic root of 196171038 is about 581.0474907437.

The spelling of 196171038 in words is "one hundred ninety-six million, one hundred seventy-one thousand, thirty-eight".