197280798 has 96 divisors (see below), whose sum is σ = 486984960. Its totient is φ = 52715520.

The previous prime is 197280793. The next prime is 197280803. The reversal of 197280798 is 897082791.

197280798 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (197280793) and next prime (197280803).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 197280798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197280793) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 256158 + ... + 256926.

It is an arithmetic number, because the mean of its divisors is an integer number (5072760).

Almost surely, 2^197280798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197280798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243492480).

197280798 is an abundant number, since it is smaller than the sum of its proper divisors (289704162).

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

197280798 is a wasteful number, since it uses less digits than its factorization.

197280798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 51.

The square root of 197280798 is about 14045.6683002269. The cubic root of 197280798 is about 582.1411131474.

The spelling of 197280798 in words is "one hundred ninety-seven million, two hundred eighty thousand, seven hundred ninety-eight".