2748886 has 16 divisors (see below), whose sum is σ = 4828320. Its totient is φ = 1149120.

The previous prime is 2748859. The next prime is 2748919. The reversal of 2748886 is 6888472.

2748886 = 39² + 40² + ... + 202².

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1821 + ... + 2968.

It is an arithmetic number, because the mean of its divisors is an integer number (301770).

2^2748886 is an apocalyptic number.

2748886 is a deficient number, since it is larger than the sum of its proper divisors (2079434).

2748886 is a wasteful number, since it uses less digits than its factorization.

2748886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4839.

The product of its digits is 172032, while the sum is 43.

The square root of 2748886 is about 1657.9764775171. The cubic root of 2748886 is about 140.0830459667.

The spelling of 2748886 in words is "two million, seven hundred forty-eight thousand, eight hundred eighty-six".