2684842 has 8 divisors (see below), whose sum is σ = 4036032. Its totient is φ = 1339500.

The previous prime is 2684837. The next prime is 2684881. The reversal of 2684842 is 2484862.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2684798 and 2684807.

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 in 3 ways as a sum of consecutive naturals, for example, 34 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (504504).

2^2684842 is an apocalyptic number.

2684842 is a deficient number, since it is larger than the sum of its proper divisors (1351190).

2684842 is a wasteful number, since it uses less digits than its factorization.

2684842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924.

The product of its digits is 24576, while the sum is 34.

The square root of 2684842 is about 1638.5487481305. The cubic root of 2684842 is about 138.9865936038.

The spelling of 2684842 in words is "two million, six hundred eighty-four thousand, eight hundred forty-two".