197049852 has 72 divisors (see below), whose sum is σ = 511645680. Its totient is φ = 63920640.

The previous prime is 197049851. The next prime is 197049869. The reversal of 197049852 is 258940791.

It is a junction number, because it is equal to n+sod(n) for n = 197049798 and 197049807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197049851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239602 + ... + 240422.

It is an arithmetic number, because the mean of its divisors is an integer number (7106190).

Almost surely, 2^197049852 is an apocalyptic number.

197049852 is a gapful number since it is divisible by the number (12) 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 197049852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255822840).

197049852 is an abundant number, since it is smaller than the sum of its proper divisors (314595828).

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

197049852 is a wasteful number, since it uses less digits than its factorization.

197049852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 197049852 is about 14037.4446392497. Note that the first 3 decimals coincide. The cubic root of 197049852 is about 581.9138640372.

The spelling of 197049852 in words is "one hundred ninety-seven million, forty-nine thousand, eight hundred fifty-two".