2678624 has 48 divisors (see below), whose sum is σ = 5842368. Its totient is φ = 1201152.

The previous prime is 2678623. The next prime is 2678629. The reversal of 2678624 is 4268762.

2678624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19484 + ... + 19620.

It is an arithmetic number, because the mean of its divisors is an integer number (121716).

2^2678624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2678624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2921184).

2678624 is an abundant number, since it is smaller than the sum of its proper divisors (3163744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2678624 is a wasteful number, since it uses less digits than its factorization.

2678624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 199 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 2678624 is about 1636.6502375279. The cubic root of 2678624 is about 138.8792146388.

The spelling of 2678624 in words is "two million, six hundred seventy-eight thousand, six hundred twenty-four".