197028669 has 8 divisors (see below), whose sum is σ = 263027392. Its totient is φ = 131191200.

The previous prime is 197028661. The next prime is 197028673. The reversal of 197028669 is 966820791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197028669 - 2³ = 197028661 is a prime.

It is a super-2 number, since 2×197028669² = 77640592815823122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197028661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37432 + ... + 42369.

It is an arithmetic number, because the mean of its divisors is an integer number (32878424).

Almost surely, 2^197028669 is an apocalyptic number.

It is an amenable number.

197028669 is a deficient number, since it is larger than the sum of its proper divisors (65998723).

197028669 is an equidigital number, since it uses as much as digits as its factorization.

197028669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80627.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 197028669 is about 14036.6901013024. The cubic root of 197028669 is about 581.8930112377.

The spelling of 197028669 in words is "one hundred ninety-seven million, twenty-eight thousand, six hundred sixty-nine".