197200828 has 12 divisors (see below), whose sum is σ = 376474392. Its totient is φ = 89636720.

The previous prime is 197200807. The next prime is 197200859. The reversal of 197200828 is 828002791.

197200828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2240875 + ... + 2240962.

It is an arithmetic number, because the mean of its divisors is an integer number (31372866).

Almost surely, 2^197200828 is an apocalyptic number.

It is an amenable number.

197200828 is a deficient number, since it is larger than the sum of its proper divisors (179273564).

197200828 is a wasteful number, since it uses less digits than its factorization.

197200828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481852 (or 4481850 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 197200828 is about 14042.8212265200. The cubic root of 197200828 is about 582.0624433578.

The spelling of 197200828 in words is "one hundred ninety-seven million, two hundred thousand, eight hundred twenty-eight".