2791671 has 8 divisors (see below), whose sum is σ = 3884160. Its totient is φ = 1780152.

The previous prime is 2791661. The next prime is 2791673. The reversal of 2791671 is 1761972.

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

It is not a de Polignac number, because 2791671 - 2⁵ = 2791639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2791673) 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, 20161 + ... + 20298.

It is an arithmetic number, because the mean of its divisors is an integer number (485520).

2^2791671 is an apocalyptic number.

2791671 is a deficient number, since it is larger than the sum of its proper divisors (1092489).

2791671 is a wasteful number, since it uses less digits than its factorization.

2791671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40485.

The product of its digits is 5292, while the sum is 33.

The square root of 2791671 is about 1670.8294347419. The cubic root of 2791671 is about 140.8060811929.

The spelling of 2791671 in words is "two million, seven hundred ninety-one thousand, six hundred seventy-one".