2748889 has 16 divisors (see below), whose sum is σ = 3306240. Its totient is φ = 2252160.

The previous prime is 2748859. The next prime is 2748919. The reversal of 2748889 is 9888472.

It is an interprime number because it is at equal distance from previous prime (2748859) and next prime (2748919).

It is a cyclic number.

It is not a de Polignac number, because 2748889 - 2⁵ = 2748857 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2748829) 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 15 ways as a sum of consecutive naturals, for example, 6517 + ... + 6925.

It is an arithmetic number, because the mean of its divisors is an integer number (206640).

2^2748889 is an apocalyptic number.

It is an amenable number.

2748889 is a deficient number, since it is larger than the sum of its proper divisors (557351).

2748889 is a wasteful number, since it uses less digits than its factorization.

2748889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480.

The product of its digits is 258048, while the sum is 46.

The square root of 2748889 is about 1657.9773822341. The cubic root of 2748889 is about 140.0830969266.

The spelling of 2748889 in words is "two million, seven hundred forty-eight thousand, eight hundred eighty-nine".