2681874 has 48 divisors (see below), whose sum is σ = 6383832. Its totient is φ = 808704.

The previous prime is 2681873. The next prime is 2681879. The reversal of 2681874 is 4781862.

It can be written as a sum of positive squares in 4 ways, for example, as 1671849 + 1010025 = 1293^2 + 1005^2 .

It is not an unprimeable number, because it can be changed into a prime (2681873) 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, 17004 + ... + 17160.

2^2681874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2681874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3191916).

2681874 is an abundant number, since it is smaller than the sum of its proper divisors (3701958).

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

2681874 is a wasteful number, since it uses less digits than its factorization.

2681874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 248 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 2681874 is about 1637.6428181994. The cubic root of 2681874 is about 138.9353597622.

The spelling of 2681874 in words is "two million, six hundred eighty-one thousand, eight hundred seventy-four".