197030039 has 4 divisors (see below), whose sum is σ = 198943056. Its totient is φ = 195117024.

The previous prime is 197030027. The next prime is 197030047. The reversal of 197030039 is 930030791.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 197030039 - 2²⁰ = 195981463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197029987 and 197030014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197090039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956354 + ... + 956559.

It is an arithmetic number, because the mean of its divisors is an integer number (49735764).

Almost surely, 2^197030039 is an apocalyptic number.

197030039 is a deficient number, since it is larger than the sum of its proper divisors (1913017).

197030039 is a wasteful number, since it uses less digits than its factorization.

197030039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913016.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 197030039 is about 14036.7389018960. The cubic root of 197030039 is about 581.8943599274.

The spelling of 197030039 in words is "one hundred ninety-seven million, thirty thousand, thirty-nine".