993109 has 8 divisors (see below), whose sum is σ = 1084160. Its totient is φ = 904176.

The previous prime is 993107. The next prime is 993121. The reversal of 993109 is 901399.

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

It is not a de Polignac number, because 993109 - 2¹ = 993107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993103) 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, 544 + ... + 1510.

It is an arithmetic number, because the mean of its divisors is an integer number (135520).

2⁹⁹³¹⁰⁹ is an apocalyptic number.

It is an amenable number.

993109 is a deficient number, since it is larger than the sum of its proper divisors (91051).

993109 is a wasteful number, since it uses less digits than its factorization.

993109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 993109 is about 996.5485437248. The cubic root of 993109 is about 99.7697703499.

The spelling of 993109 in words is "nine hundred ninety-three thousand, one hundred nine".