2091277 has 8 divisors (see below), whose sum is σ = 2223000. Its totient is φ = 1963584.

The previous prime is 2091269. The next prime is 2091281. The reversal of 2091277 is 7721902.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1069156 + 1022121 = 1034^2 + 1011^2 .

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 2091277 - 2³ = 2091269 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 (2091227) 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 7 ways as a sum of consecutive naturals, for example, 99 + ... + 2047.

It is an arithmetic number, because the mean of its divisors is an integer number (277875).

2^2091277 is an apocalyptic number.

It is an amenable number.

2091277 is a deficient number, since it is larger than the sum of its proper divisors (131723).

2091277 is a wasteful number, since it uses less digits than its factorization.

2091277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 2091277 is about 1446.1248217218. The cubic root of 2091277 is about 127.8803610298.

The spelling of 2091277 in words is "two million, ninety-one thousand, two hundred seventy-seven".