197189433 has 12 divisors (see below), whose sum is σ = 325519168. Its totient is φ = 112679640.

The previous prime is 197189423. The next prime is 197189437. The reversal of 197189433 is 334981791.

It is not a de Polignac number, because 197189433 - 2⁵ = 197189401 is a prime.

It is a super-2 number, since 2×197189433² = 77767344973722978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197189437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1564933 + ... + 1565058.

Almost surely, 2^197189433 is an apocalyptic number.

It is an amenable number.

197189433 is a deficient number, since it is larger than the sum of its proper divisors (128329735).

197189433 is a wasteful number, since it uses less digits than its factorization.

197189433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130004 (or 3130001 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 197189433 is about 14042.4154973423. The cubic root of 197189433 is about 582.0512318949.

The spelling of 197189433 in words is "one hundred ninety-seven million, one hundred eighty-nine thousand, four hundred thirty-three".