2149319 has 4 divisors (see below), whose sum is σ = 2154096. Its totient is φ = 2144544.

The previous prime is 2149289. The next prime is 2149331. The reversal of 2149319 is 9139412.

It is a happy number.

2149319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2149319 is a prime.

It is a super-2 number, since 2×2149319² = 9239144327522, 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 = 2149291 and 2149300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149349) 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 3 ways as a sum of consecutive naturals, for example, 1634 + ... + 2639.

It is an arithmetic number, because the mean of its divisors is an integer number (538524).

2^2149319 is an apocalyptic number.

2149319 is a deficient number, since it is larger than the sum of its proper divisors (4777).

2149319 is an equidigital number, since it uses as much as digits as its factorization.

2149319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776.

The product of its digits is 1944, while the sum is 29.

The square root of 2149319 is about 1466.0555923975. The cubic root of 2149319 is about 129.0526596296.

It can be divided in two parts, 21493 and 19, that added together give a palindrome (21512).

The spelling of 2149319 in words is "two million, one hundred forty-nine thousand, three hundred nineteen".