109170993 has 8 divisors (see below), whose sum is σ = 150580800. Its totient is φ = 70270928.

The previous prime is 109170983. The next prime is 109171019. The reversal of 109170993 is 399071901.

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 109170993 - 2²² = 104976689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109170953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627333 + ... + 627506.

It is an arithmetic number, because the mean of its divisors is an integer number (18822600).

Almost surely, 2^109170993 is an apocalyptic number.

It is an amenable number.

109170993 is a deficient number, since it is larger than the sum of its proper divisors (41409807).

109170993 is a wasteful number, since it uses less digits than its factorization.

109170993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254871.

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

The square root of 109170993 is about 10448.4923792861. The cubic root of 109170993 is about 477.9352762747.

The spelling of 109170993 in words is "one hundred nine million, one hundred seventy thousand, nine hundred ninety-three".