2109377 has 8 divisors (see below), whose sum is σ = 2249856. Its totient is φ = 1970752.

The previous prime is 2109329. The next prime is 2109391. The reversal of 2109377 is 7739012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2109377 - 2¹⁶ = 2043841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2109277) 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, 2468 + ... + 3210.

It is an arithmetic number, because the mean of its divisors is an integer number (281232).

2^2109377 is an apocalyptic number.

It is an amenable number.

2109377 is a deficient number, since it is larger than the sum of its proper divisors (140479).

2109377 is a wasteful number, since it uses less digits than its factorization.

2109377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 2109377 is about 1452.3694433580. The cubic root of 2109377 is about 128.2482365335.

The spelling of 2109377 in words is "two million, one hundred nine thousand, three hundred seventy-seven".