2209096 has 8 divisors (see below), whose sum is σ = 4142070. Its totient is φ = 1104544.

The previous prime is 2209079. The next prime is 2209117. The reversal of 2209096 is 6909022.

It can be written as a sum of positive squares in only one way, i.e., 2208196 + 900 = 1486^2 + 30^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138061 + ... + 138076.

2^2209096 is an apocalyptic number.

It is an amenable number.

2209096 is a deficient number, since it is larger than the sum of its proper divisors (1932974).

2209096 is a wasteful number, since it uses less digits than its factorization.

2209096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276143 (or 276139 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2209096 is about 1486.3027955299. The cubic root of 2209096 is about 130.2381433671.

It can be divided in two parts, 220 and 9096, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 2209096 in words is "two million, two hundred nine thousand, ninety-six".