2748236 has 12 divisors (see below), whose sum is σ = 5062680.
Its totient is φ = 1301760.
The previous prime is 2748227. The next prime is 2748241. The reversal of 2748236 is 6328472.
It is a super-2 number, since 2×27482362 = 15105602223392, which contains 22 as substring.
It is a d-powerful number, because it can be written as 2 + 73 + 410 + 8 + 23 + 39 + 68 .
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 3 ways as a sum of consecutive naturals, for example, 18005 + ... + 18156.
It is an arithmetic number, because the mean of its divisors is an integer number (421890).
22748236 is an apocalyptic number.
It is an amenable number.
2748236 is a deficient number, since it is larger than the sum of its proper divisors (2314444).
2748236 is a wasteful number, since it uses less digits than its factorization.
2748236 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36184 (or 36182 counting only the distinct ones).
The product of its digits is 16128, while the sum is 32.
The square root of 2748236 is about 1657.7804438465.
The cubic root of 2748236 is about 140.0720037775.
The spelling of 2748236 in words is "two million, seven hundred forty-eight thousand, two hundred thirty-six".