2678944 has 12 divisors (see below), whose sum is σ = 5274234. Its totient is φ = 1339456.

The previous prime is 2678941. The next prime is 2678983. The reversal of 2678944 is 4498762.

It can be written as a sum of positive squares in only one way, i.e., 1468944 + 1210000 = 1212^2 + 1100^2 .

It is a d-powerful number, because it can be written as 2¹¹ + 6⁸ + 7⁷ + 8⁵ + 9⁵ + 4⁷ + 4⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2678897 and 2678906.

It is not an unprimeable number, because it can be changed into a prime (2678941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41827 + ... + 41890.

2^2678944 is an apocalyptic number.

It is an amenable number.

2678944 is a deficient number, since it is larger than the sum of its proper divisors (2595290).

2678944 is an equidigital number, since it uses as much as digits as its factorization.

2678944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83727 (or 83719 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 2678944 is about 1636.7479952638. The cubic root of 2678944 is about 138.8847447889.

The spelling of 2678944 in words is "two million, six hundred seventy-eight thousand, nine hundred forty-four".