197269047 has 16 divisors (see below), whose sum is σ = 292468960. Its totient is φ = 131414400.

The previous prime is 197269043. The next prime is 197269057. The reversal of 197269047 is 740962791.

197269047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 197269047 - 2² = 197269043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197268993 and 197269011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197269043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61647 + ... + 64767.

It is an arithmetic number, because the mean of its divisors is an integer number (18279310).

Almost surely, 2^197269047 is an apocalyptic number.

197269047 is the 7023-rd decagonal number.

197269047 is a deficient number, since it is larger than the sum of its proper divisors (95199913).

197269047 is a wasteful number, since it uses less digits than its factorization.

197269047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471 (or 5465 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 197269047 is about 14045.2499799754. The cubic root of 197269047 is about 582.1295545363.

The spelling of 197269047 in words is "one hundred ninety-seven million, two hundred sixty-nine thousand, forty-seven".