2109267 has 8 divisors (see below), whose sum is σ = 3124880. Its totient is φ = 1406160.

The previous prime is 2109253. The next prime is 2109269. The reversal of 2109267 is 7629012.

It is not a de Polignac number, because 2109267 - 2⁶ = 2109203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 78121 = 2109267 / (2 + 1 + 0 + 9 + 2 + 6 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2109267.

It is not an unprimeable number, because it can be changed into a prime (2109269) 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, 39034 + ... + 39087.

It is an arithmetic number, because the mean of its divisors is an integer number (390610).

2^2109267 is an apocalyptic number.

2109267 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2109267 is a deficient number, since it is larger than the sum of its proper divisors (1015613).

2109267 is an equidigital number, since it uses as much as digits as its factorization.

2109267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78130 (or 78124 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2109267 is about 1452.3315737117. The cubic root of 2109267 is about 128.2460071942.

The spelling of 2109267 in words is "two million, one hundred nine thousand, two hundred sixty-seven".