2684156 has 6 divisors (see below), whose sum is σ = 4697280. Its totient is φ = 1342076.

The previous prime is 2684141. The next prime is 2684161. The reversal of 2684156 is 6514862.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 335516 + ... + 335523.

It is an arithmetic number, because the mean of its divisors is an integer number (782880).

2^2684156 is an apocalyptic number.

It is an amenable number.

2684156 is a deficient number, since it is larger than the sum of its proper divisors (2013124).

2684156 is a wasteful number, since it uses less digits than its factorization.

2684156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671043 (or 671041 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 2684156 is about 1638.3394031763. The cubic root of 2684156 is about 138.9747551759.

The spelling of 2684156 in words is "two million, six hundred eighty-four thousand, one hundred fifty-six".