2750891 has 8 divisors (see below), whose sum is σ = 3231984. Its totient is φ = 2308320.

The previous prime is 2750861. The next prime is 2750893. The reversal of 2750891 is 1980572.

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 2750891 - 2⁶ = 2750827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2750893) 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, 9476 + ... + 9761.

It is an arithmetic number, because the mean of its divisors is an integer number (403998).

2^2750891 is an apocalyptic number.

2750891 is a deficient number, since it is larger than the sum of its proper divisors (481093).

2750891 is a wasteful number, since it uses less digits than its factorization.

2750891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19261.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2750891 is about 1658.5810200289. The cubic root of 2750891 is about 140.1170959113.

The spelling of 2750891 in words is "two million, seven hundred fifty thousand, eight hundred ninety-one".