2747864 has 16 divisors (see below), whose sum is σ = 5888400. Its totient is φ = 1177632.

The previous prime is 2747851. The next prime is 2747869. The reversal of 2747864 is 4687472.

It is a d-powerful number, because it can be written as 2⁵ + 7³ + 4⁷ + 7⁴ + 8³ + 6⁸ + 4¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2747869) 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 3 ways as a sum of consecutive naturals, for example, 24479 + ... + 24590.

It is an arithmetic number, because the mean of its divisors is an integer number (368025).

2^2747864 is an apocalyptic number.

It is an amenable number.

2747864 is an abundant number, since it is smaller than the sum of its proper divisors (3140536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2747864 is a wasteful number, since it uses less digits than its factorization.

2747864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49082 (or 49078 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 2747864 is about 1657.6682418385. The cubic root of 2747864 is about 140.0656834643.

The spelling of 2747864 in words is "two million, seven hundred forty-seven thousand, eight hundred sixty-four".