2681574 has 32 divisors (see below), whose sum is σ = 6259200. Its totient is φ = 765576.

The previous prime is 2681573. The next prime is 2681579. The reversal of 2681574 is 4751862.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1407 + ... + 2709.

It is an arithmetic number, because the mean of its divisors is an integer number (195600).

2^2681574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2681574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3129600).

2681574 is an abundant number, since it is smaller than the sum of its proper divisors (3577626).

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

2681574 is a wasteful number, since it uses less digits than its factorization.

2681574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1315 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 2681574 is about 1637.5512205730. The cubic root of 2681574 is about 138.9301790363.

The spelling of 2681574 in words is "two million, six hundred eighty-one thousand, five hundred seventy-four".