2755966 has 4 divisors (see below), whose sum is σ = 4133952. Its totient is φ = 1377982.

The previous prime is 2755943. The next prime is 2755967. The reversal of 2755966 is 6695572.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688990 + ... + 688993.

It is an arithmetic number, because the mean of its divisors is an integer number (1033488).

2^2755966 is an apocalyptic number.

2755966 is a deficient number, since it is larger than the sum of its proper divisors (1377986).

2755966 is a wasteful number, since it uses less digits than its factorization.

2755966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377985.

The product of its digits is 113400, while the sum is 40.

The square root of 2755966 is about 1660.1102373035. The cubic root of 2755966 is about 140.2032083043.

It can be divided in two parts, 2755 and 966, that added together give a square (3721 = 61²).

The spelling of 2755966 in words is "two million, seven hundred fifty-five thousand, nine hundred sixty-six".