2749191 has 8 divisors (see below), whose sum is σ = 3717504. Its totient is φ = 1806840.

The previous prime is 2749183. The next prime is 2749193. The reversal of 2749191 is 1919472.

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

It is not a de Polignac number, because 2749191 - 2³ = 2749183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749193) 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, 6241 + ... + 6666.

It is an arithmetic number, because the mean of its divisors is an integer number (464688).

2^2749191 is an apocalyptic number.

2749191 is a deficient number, since it is larger than the sum of its proper divisors (968313).

2749191 is a wasteful number, since it uses less digits than its factorization.

2749191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12981.

The product of its digits is 4536, while the sum is 33.

The square root of 2749191 is about 1658.0684545579. The cubic root of 2749191 is about 140.0882267016.

The spelling of 2749191 in words is "two million, seven hundred forty-nine thousand, one hundred ninety-one".