197889093 has 12 divisors (see below), whose sum is σ = 287197248. Its totient is φ = 131299560.

The previous prime is 197889073. The next prime is 197889113. The reversal of 197889093 is 390988791.

197889093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (197889073) and next prime (197889113).

It is not a de Polignac number, because 197889093 - 2¹⁶ = 197823557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197889023) 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, 50205 + ... + 54002.

It is an arithmetic number, because the mean of its divisors is an integer number (23933104).

Almost surely, 2^197889093 is an apocalyptic number.

It is an amenable number.

197889093 is a deficient number, since it is larger than the sum of its proper divisors (89308155).

197889093 is a wasteful number, since it uses less digits than its factorization.

197889093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104424 (or 104421 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The square root of 197889093 is about 14067.3058188126. The cubic root of 197889093 is about 582.7388232754.

The spelling of 197889093 in words is "one hundred ninety-seven million, eight hundred eighty-nine thousand, ninety-three".