197109093 has 8 divisors (see below), whose sum is σ = 262911456. Its totient is φ = 131356400.

The previous prime is 197109091. The next prime is 197109131. The reversal of 197109093 is 390901791.

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

It is a cyclic number.

It is not a de Polignac number, because 197109093 - 2¹ = 197109091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197109091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1878 + ... + 19943.

It is an arithmetic number, because the mean of its divisors is an integer number (32863932).

Almost surely, 2^197109093 is an apocalyptic number.

It is an amenable number.

197109093 is a deficient number, since it is larger than the sum of its proper divisors (65802363).

197109093 is a wasteful number, since it uses less digits than its factorization.

197109093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24835.

The product of its (nonzero) digits is 15309, while the sum is 39.

The square root of 197109093 is about 14039.5545869518. The cubic root of 197109093 is about 581.9721736557.

The spelling of 197109093 in words is "one hundred ninety-seven million, one hundred nine thousand, ninety-three".