109198593 has 12 divisors (see below), whose sum is σ = 180264448. Its totient is φ = 62399160.

The previous prime is 109198589. The next prime is 109198597. The reversal of 109198593 is 395891901.

It is an interprime number because it is at equal distance from previous prime (109198589) and next prime (109198597).

It is not a de Polignac number, because 109198593 - 2² = 109198589 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109198597) 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, 866593 + ... + 866718.

Almost surely, 2^109198593 is an apocalyptic number.

It is an amenable number.

109198593 is a deficient number, since it is larger than the sum of its proper divisors (71065855).

109198593 is a wasteful number, since it uses less digits than its factorization.

109198593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733324 (or 1733321 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 109198593 is about 10449.8130605289. The cubic root of 109198593 is about 477.9755491890.

The spelling of 109198593 in words is "one hundred nine million, one hundred ninety-eight thousand, five hundred ninety-three".