2109346 has 4 divisors (see below), whose sum is σ = 3164022. Its totient is φ = 1054672.

The previous prime is 2109329. The next prime is 2109391. The reversal of 2109346 is 6439012.

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

It can be written as a sum of positive squares in only one way, i.e., 1718721 + 390625 = 1311^2 + 625^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2109346.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527335 + ... + 527338.

2^2109346 is an apocalyptic number.

2109346 is a deficient number, since it is larger than the sum of its proper divisors (1054676).

2109346 is a wasteful number, since it uses less digits than its factorization.

2109346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054675.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2109346 is about 1452.3587711031. The cubic root of 2109346 is about 128.2476082730.

The spelling of 2109346 in words is "two million, one hundred nine thousand, three hundred forty-six".