197098992 has 120 divisors (see below), whose sum is σ = 578772480. Its totient is φ = 62536320.

The previous prime is 197098973. The next prime is 197099017. The reversal of 197098992 is 299890791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298759 + ... + 299417.

It is an arithmetic number, because the mean of its divisors is an integer number (4823104).

Almost surely, 2^197098992 is an apocalyptic number.

197098992 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 197098992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289386240).

197098992 is an abundant number, since it is smaller than the sum of its proper divisors (381673488).

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

197098992 is a wasteful number, since it uses less digits than its factorization.

197098992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 54.

The square root of 197098992 is about 14039.1948487084. The cubic root of 197098992 is about 581.9622322890.

The spelling of 197098992 in words is "one hundred ninety-seven million, ninety-eight thousand, nine hundred ninety-two".