2091927 has 8 divisors (see below), whose sum is σ = 2804464. Its totient is φ = 1387008.

The previous prime is 2091917. The next prime is 2091931. The reversal of 2091927 is 7291902.

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

It is not a de Polignac number, because 2091927 - 2⁶ = 2091863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2091894 and 2091903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091917) 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, 1228 + ... + 2385.

It is an arithmetic number, because the mean of its divisors is an integer number (350558).

2^2091927 is an apocalyptic number.

2091927 is a deficient number, since it is larger than the sum of its proper divisors (712537).

2091927 is a wasteful number, since it uses less digits than its factorization.

2091927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 2091927 is about 1446.3495428146. The cubic root of 2091927 is about 127.8936086968.

The spelling of 2091927 in words is "two million, ninety-one thousand, nine hundred twenty-seven".