2091267 has 6 divisors (see below), whose sum is σ = 3020732. Its totient is φ = 1394172.

The previous prime is 2091251. The next prime is 2091269. The reversal of 2091267 is 7621902.

It is not a de Polignac number, because 2091267 - 2⁴ = 2091251 is a prime.

It is a Duffinian number.

2091267 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2091267.

It is not an unprimeable number, because it can be changed into a prime (2091269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116173 + ... + 116190.

2^2091267 is an apocalyptic number.

2091267 is a deficient number, since it is larger than the sum of its proper divisors (929465).

2091267 is a wasteful number, since it uses less digits than its factorization.

2091267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232369 (or 232366 counting only the distinct ones).

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

The square root of 2091267 is about 1446.1213642015. The cubic root of 2091267 is about 127.8801571981.

The spelling of 2091267 in words is "two million, ninety-one thousand, two hundred sixty-seven".