2919393 has 12 divisors (see below), whose sum is σ = 4465188. Its totient is φ = 1831680.

The previous prime is 2919383. The next prime is 2919419. The reversal of 2919393 is 3939192.

2919393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1361889 + 1557504 = 1167^2 + 1248^2 .

It is not a de Polignac number, because 2919393 - 2⁴ = 2919377 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2919353) 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 11 ways as a sum of consecutive naturals, for example, 9388 + ... + 9693.

It is an arithmetic number, because the mean of its divisors is an integer number (372099).

2^2919393 is an apocalyptic number.

It is an amenable number.

2919393 is a deficient number, since it is larger than the sum of its proper divisors (1545795).

2919393 is a wasteful number, since it uses less digits than its factorization.

2919393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19104 (or 19101 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 2919393 is about 1708.6231298914. The cubic root of 2919393 is about 142.9214852541.

The spelling of 2919393 in words is "two million, nine hundred nineteen thousand, three hundred ninety-three".