2681842 has 8 divisors (see below), whose sum is σ = 4032432. Its totient is φ = 1337700.

The previous prime is 2681827. The next prime is 2681843. The reversal of 2681842 is 2481862.

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

It is not an unprimeable number, because it can be changed into a prime (2681843) by changing a digit.

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, 384 + ... + 2347.

It is an arithmetic number, because the mean of its divisors is an integer number (504054).

2^2681842 is an apocalyptic number.

2681842 is a deficient number, since it is larger than the sum of its proper divisors (1350590).

2681842 is a wasteful number, since it uses less digits than its factorization.

2681842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224.

The product of its digits is 6144, while the sum is 31.

The square root of 2681842 is about 1637.6330480300. The cubic root of 2681842 is about 138.9348071698.

The spelling of 2681842 in words is "two million, six hundred eighty-one thousand, eight hundred forty-two".