2756493 has 12 divisors (see below), whose sum is σ = 4008160. Its totient is φ = 1825416.

The previous prime is 2756491. The next prime is 2756497. The reversal of 2756493 is 3946572.

2756493 is a `hidden beast` number, since 2 + 7 + 5 + 649 + 3 = 666.

2756493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2756493 - 2¹ = 2756491 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2756491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528 + ... + 2406.

2^2756493 is an apocalyptic number.

It is an amenable number.

2756493 is a deficient number, since it is larger than the sum of its proper divisors (1251667).

2756493 is a wasteful number, since it uses less digits than its factorization.

2756493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 2045 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2756493 is about 1660.2689541156. The cubic root of 2756493 is about 140.2121443581.

It can be divided in two parts, 2756 and 493, that added together give a square (3249 = 57²).

The spelling of 2756493 in words is "two million, seven hundred fifty-six thousand, four hundred ninety-three".