2756842 has 8 divisors (see below), whose sum is σ = 4511232. Its totient is φ = 1253100.

The previous prime is 2756821. The next prime is 2756869. The reversal of 2756842 is 2486572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2756798 and 2756807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62634 + ... + 62677.

It is an arithmetic number, because the mean of its divisors is an integer number (563904).

2^2756842 is an apocalyptic number.

2756842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2756842 is a deficient number, since it is larger than the sum of its proper divisors (1754390).

2756842 is a wasteful number, since it uses less digits than its factorization.

2756842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125324.

The product of its digits is 26880, while the sum is 34.

The square root of 2756842 is about 1660.3740542420. The cubic root of 2756842 is about 140.2180615354.

It can be divided in two parts, 275684 and 2, that multiplied together give a cube (551368 = 82³).

The spelling of 2756842 in words is "two million, seven hundred fifty-six thousand, eight hundred forty-two".