2109319 has 8 divisors (see below), whose sum is σ = 2167520. Its totient is φ = 2052000.

The previous prime is 2109311. The next prime is 2109329. The reversal of 2109319 is 9139012.

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 2109319 - 2³ = 2109311 is a prime.

It is a super-2 number, since 2×2109319² = 8898453287522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2109293 and 2109302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109311) 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, 9097 + ... + 9325.

It is an arithmetic number, because the mean of its divisors is an integer number (270940).

2^2109319 is an apocalyptic number.

2109319 is a deficient number, since it is larger than the sum of its proper divisors (58201).

2109319 is a wasteful number, since it uses less digits than its factorization.

2109319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 2109319 is about 1452.3494758494. The cubic root of 2109319 is about 128.2470610733.

It can be divided in two parts, 21093 and 19, that added together give a palindrome (21112).

The spelling of 2109319 in words is "two million, one hundred nine thousand, three hundred nineteen".