2748389 has 8 divisors (see below), whose sum is σ = 3158400. Its totient is φ = 2342736.

The previous prime is 2748371. The next prime is 2748391. The reversal of 2748389 is 9838472.

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 2748389 - 2⁸ = 2748133 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁴ + 4⁸ + 8⁵ + 3⁹ + 8⁷ + 9⁴ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748089) 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, 407 + ... + 2379.

It is an arithmetic number, because the mean of its divisors is an integer number (394800).

2^2748389 is an apocalyptic number.

It is an amenable number.

2748389 is a deficient number, since it is larger than the sum of its proper divisors (410011).

2748389 is a wasteful number, since it uses less digits than its factorization.

2748389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179.

The product of its digits is 96768, while the sum is 41.

The square root of 2748389 is about 1657.8265892427. The cubic root of 2748389 is about 140.0746030956.

It can be divided in two parts, 27483 and 89, that added together give a palindrome (27572).

The spelling of 2748389 in words is "two million, seven hundred forty-eight thousand, three hundred eighty-nine".