2747889 has 12 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 1825272.

The previous prime is 2747873. The next prime is 2747903. The reversal of 2747889 is 9887472.

It is not a de Polignac number, because 2747889 - 2⁴ = 2747873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2747819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4224 + ... + 4830.

It is an arithmetic number, because the mean of its divisors is an integer number (331968).

2^2747889 is an apocalyptic number.

It is an amenable number.

2747889 is a deficient number, since it is larger than the sum of its proper divisors (1235727).

2747889 is a wasteful number, since it uses less digits than its factorization.

2747889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1113 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 2747889 is about 1657.6757825341. The cubic root of 2747889 is about 140.0661082344.

The spelling of 2747889 in words is "two million, seven hundred forty-seven thousand, eight hundred eighty-nine".