197490204 has 72 divisors (see below), whose sum is σ = 520344720. Its totient is φ = 64774944.

The previous prime is 197490151. The next prime is 197490211. The reversal of 197490204 is 402094791.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 673882 + ... + 674174.

It is an arithmetic number, because the mean of its divisors is an integer number (7227010).

Almost surely, 2^197490204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197490204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260172360).

197490204 is an abundant number, since it is smaller than the sum of its proper divisors (322854516).

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

197490204 is a wasteful number, since it uses less digits than its factorization.

197490204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 197490204 is about 14053.1207921942. The cubic root of 197490204 is about 582.3470138002.

The spelling of 197490204 in words is "one hundred ninety-seven million, four hundred ninety thousand, two hundred four".