197028886 has 16 divisors (see below), whose sum is σ = 301291200. Its totient is φ = 96616008.

The previous prime is 197028883. The next prime is 197028911. The reversal of 197028886 is 688820791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197028883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18805 + ... + 27343.

It is an arithmetic number, because the mean of its divisors is an integer number (18830700).

Almost surely, 2^197028886 is an apocalyptic number.

197028886 is a deficient number, since it is larger than the sum of its proper divisors (104262314).

197028886 is a wasteful number, since it uses less digits than its factorization.

197028886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8763.

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 197028886 is about 14036.6978310427. The cubic root of 197028886 is about 581.8932248627.

The spelling of 197028886 in words is "one hundred ninety-seven million, twenty-eight thousand, eight hundred eighty-six".