2678544 has 120 divisors (see below), whose sum is σ = 8704800. Its totient is φ = 760320.

The previous prime is 2678539. The next prime is 2678549. The reversal of 2678544 is 4458762.

It is an interprime number because it is at equal distance from previous prime (2678539) and next prime (2678549).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2678499 and 2678508.

It is not an unprimeable number, because it can be changed into a prime (2678549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30052 + ... + 30140.

It is an arithmetic number, because the mean of its divisors is an integer number (72540).

2^2678544 is an apocalyptic number.

2678544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2678544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4352400).

2678544 is an abundant number, since it is smaller than the sum of its proper divisors (6026256).

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

2678544 is a wasteful number, since it uses less digits than its factorization.

2678544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 124 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 2678544 is about 1636.6257971815. The cubic root of 2678544 is about 138.8778320324.

The spelling of 2678544 in words is "two million, six hundred seventy-eight thousand, five hundred forty-four".