2662109 has 4 divisors (see below), whose sum is σ = 2802240. Its totient is φ = 2521980.

The previous prime is 2662103. The next prime is 2662117. The reversal of 2662109 is 9012662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9012662 = 2 ⋅4506331.

It is a cyclic number.

It is not a de Polignac number, because 2662109 - 2⁸ = 2661853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70037 + ... + 70074.

It is an arithmetic number, because the mean of its divisors is an integer number (700560).

2^2662109 is an apocalyptic number.

It is an amenable number.

2662109 is a deficient number, since it is larger than the sum of its proper divisors (140131).

2662109 is a wasteful number, since it uses less digits than its factorization.

2662109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140130.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2662109 is about 1631.5970703578. The cubic root of 2662109 is about 138.5932070796.

The spelling of 2662109 in words is "two million, six hundred sixty-two thousand, one hundred nine".