2684756 has 6 divisors (see below), whose sum is σ = 4698330. Its totient is φ = 1342376.

The previous prime is 2684753. The next prime is 2684771. The reversal of 2684756 is 6574862.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2496400 + 188356 = 1580^2 + 434^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁵ + 8³ + 4¹⁰ + 7⁷ + 5³ + 6⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335591 + ... + 335598.

It is an arithmetic number, because the mean of its divisors is an integer number (783055).

2^2684756 is an apocalyptic number.

It is an amenable number.

2684756 is a deficient number, since it is larger than the sum of its proper divisors (2013574).

2684756 is a wasteful number, since it uses less digits than its factorization.

2684756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671193 (or 671191 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 2684756 is about 1638.5225051857. The cubic root of 2684756 is about 138.9851095965.

The spelling of 2684756 in words is "two million, six hundred eighty-four thousand, seven hundred fifty-six".