197890336 has 96 divisors (see below), whose sum is σ = 475880832. Its totient is φ = 79073280.

The previous prime is 197890331. The next prime is 197890337. The reversal of 197890336 is 633098791.

It is not an unprimeable number, because it can be changed into a prime (197890331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597691 + ... + 598021.

It is an arithmetic number, because the mean of its divisors is an integer number (4957092).

Almost surely, 2^197890336 is an apocalyptic number.

197890336 is a gapful number since it is divisible by the number (16) 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 197890336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237940416).

197890336 is an abundant number, since it is smaller than the sum of its proper divisors (277990496).

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

197890336 is a wasteful number, since it uses less digits than its factorization.

197890336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 197890336 is about 14067.3499992003. The cubic root of 197890336 is about 582.7400433913.

The spelling of 197890336 in words is "one hundred ninety-seven million, eight hundred ninety thousand, three hundred thirty-six".