2109877 has 24 divisors (see below), whose sum is σ = 2757888. Its totient is φ = 1578720.

The previous prime is 2109871. The next prime is 2109889. The reversal of 2109877 is 7789012.

It is not a de Polignac number, because 2109877 - 2³ = 2109869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39783 + ... + 39835.

It is an arithmetic number, because the mean of its divisors is an integer number (114912).

2^2109877 is an apocalyptic number.

It is an amenable number.

2109877 is a deficient number, since it is larger than the sum of its proper divisors (648011).

2109877 is a wasteful number, since it uses less digits than its factorization.

2109877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 2109877 is about 1452.5415656703. The cubic root of 2109877 is about 128.2583689174.

The spelling of 2109877 in words is "two million, one hundred nine thousand, eight hundred seventy-seven".